diff --git a/app/assets/javascripts/jobs/components/stages_dropdown.vue b/app/assets/javascripts/jobs/components/stages_dropdown.vue
index 6e92b599b0a..cb073a9b04d 100644
--- a/app/assets/javascripts/jobs/components/stages_dropdown.vue
+++ b/app/assets/javascripts/jobs/components/stages_dropdown.vue
@@ -2,6 +2,7 @@
 import _ from 'underscore';
 import { GlLink } from '@gitlab/ui';
 import CiIcon from '~/vue_shared/components/ci_icon.vue';
+import PipelineLink from '~/vue_shared/components/ci_pipeline_link.vue';
 import Icon from '~/vue_shared/components/icon.vue';
 
 export default {
@@ -9,6 +10,7 @@ export default {
     CiIcon,
     Icon,
     GlLink,
+    PipelineLink,
   },
   props: {
     pipeline: {
@@ -48,9 +50,12 @@ export default {
       <ci-icon :status="pipeline.details.status" class="vertical-align-middle" />
 
       <span class="font-weight-bold">{{ s__('Job|Pipeline') }}</span>
-      <gl-link :href="pipeline.path" class="js-pipeline-path link-commit qa-pipeline-path"
-        >#{{ pipeline.id }}</gl-link
-      >
+      <pipeline-link
+        :href="pipeline.path"
+        :pipeline-id="pipeline.id"
+        :pipeline-iid="pipeline.iid"
+        class="js-pipeline-path link-commit qa-pipeline-path"
+      />
       <template v-if="hasRef">
         {{ s__('Job|for') }}
 
diff --git a/app/assets/javascripts/pipelines/components/header_component.vue b/app/assets/javascripts/pipelines/components/header_component.vue
index b2e365e5cde..f3a71ee434c 100644
--- a/app/assets/javascripts/pipelines/components/header_component.vue
+++ b/app/assets/javascripts/pipelines/components/header_component.vue
@@ -83,6 +83,8 @@ export default {
       v-if="shouldRenderContent"
       :status="status"
       :item-id="pipeline.id"
+      :item-iid="pipeline.iid"
+      :item-id-tooltip="__('Pipeline ID (IID)')"
       :time="pipeline.created_at"
       :user="pipeline.user"
       :actions="actions"
diff --git a/app/assets/javascripts/pipelines/components/pipeline_url.vue b/app/assets/javascripts/pipelines/components/pipeline_url.vue
index c41ecab1294..00c02e15562 100644
--- a/app/assets/javascripts/pipelines/components/pipeline_url.vue
+++ b/app/assets/javascripts/pipelines/components/pipeline_url.vue
@@ -2,6 +2,7 @@
 import { GlLink, GlTooltipDirective } from '@gitlab/ui';
 import _ from 'underscore';
 import { __, sprintf } from '~/locale';
+import PipelineLink from '~/vue_shared/components/ci_pipeline_link.vue';
 import UserAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';
 import popover from '~/vue_shared/directives/popover';
 
@@ -19,6 +20,7 @@ export default {
   components: {
     UserAvatarLink,
     GlLink,
+    PipelineLink,
   },
   directives: {
     GlTooltip: GlTooltipDirective,
@@ -59,10 +61,13 @@ export default {
 };
 </script>
 <template>
-  <div class="table-section section-10 d-none d-sm-none d-md-block pipeline-tags">
-    <gl-link :href="pipeline.path" class="js-pipeline-url-link">
-      <span class="pipeline-id">#{{ pipeline.id }}</span>
-    </gl-link>
+  <div class="table-section section-10 d-none d-sm-none d-md-block pipeline-tags section-wrap">
+    <pipeline-link
+      :href="pipeline.path"
+      :pipeline-id="pipeline.id"
+      :pipeline-iid="pipeline.iid"
+      class="js-pipeline-url-link"
+    />
     <div class="label-container">
       <span
         v-if="pipeline.flags.latest"
diff --git a/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_pipeline.vue b/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_pipeline.vue
index f5fa68308bc..c377c16fb13 100644
--- a/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_pipeline.vue
+++ b/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_pipeline.vue
@@ -5,6 +5,7 @@ import { sprintf, __ } from '~/locale';
 import PipelineStage from '~/pipelines/components/stage.vue';
 import CiIcon from '~/vue_shared/components/ci_icon.vue';
 import Icon from '~/vue_shared/components/icon.vue';
+import PipelineLink from '~/vue_shared/components/ci_pipeline_link.vue';
 import TooltipOnTruncate from '~/vue_shared/components/tooltip_on_truncate.vue';
 import mrWidgetPipelineMixin from 'ee_else_ce/vue_merge_request_widget/mixins/mr_widget_pipeline';
 
@@ -16,6 +17,7 @@ export default {
     Icon,
     TooltipOnTruncate,
     GlLink,
+    PipelineLink,
     LinkedPipelinesMiniList: () =>
       import('ee_component/vue_shared/components/linked_pipelines_mini_list.vue'),
   },
@@ -112,9 +114,12 @@ export default {
           <div class="media-body">
             <div class="font-weight-bold js-pipeline-info-container">
               {{ s__('Pipeline|Pipeline') }}
-              <gl-link :href="pipeline.path" class="pipeline-id font-weight-normal pipeline-number"
-                >#{{ pipeline.id }}</gl-link
-              >
+              <pipeline-link
+                :href="pipeline.path"
+                :pipeline-id="pipeline.id"
+                :pipeline-iid="pipeline.iid"
+                class="pipeline-id pipeline-iid font-weight-normal"
+              />
               {{ pipeline.details.status.label }}
               <template v-if="hasCommitInfo">
                 {{ s__('Pipeline|for') }}
diff --git a/app/assets/javascripts/vue_shared/components/ci_pipeline_link.vue b/app/assets/javascripts/vue_shared/components/ci_pipeline_link.vue
new file mode 100644
index 00000000000..eae4c06467c
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/ci_pipeline_link.vue
@@ -0,0 +1,32 @@
+<script>
+import { GlLink, GlTooltipDirective } from '@gitlab/ui';
+
+export default {
+  components: {
+    GlLink,
+  },
+  directives: {
+    GlTooltip: GlTooltipDirective,
+  },
+  props: {
+    href: {
+      type: String,
+      required: true,
+    },
+    pipelineId: {
+      type: Number,
+      required: true,
+    },
+    pipelineIid: {
+      type: Number,
+      required: true,
+    },
+  },
+};
+</script>
+<template>
+  <gl-link v-gl-tooltip :href="href" :title="__('Pipeline ID (IID)')">
+    <span class="pipeline-id">#{{ pipelineId }}</span>
+    <span class="pipeline-iid">(#{{ pipelineIid }})</span>
+  </gl-link>
+</template>
diff --git a/app/assets/javascripts/vue_shared/components/header_ci_component.vue b/app/assets/javascripts/vue_shared/components/header_ci_component.vue
index 3f45dc7853b..0bac63b1062 100644
--- a/app/assets/javascripts/vue_shared/components/header_ci_component.vue
+++ b/app/assets/javascripts/vue_shared/components/header_ci_component.vue
@@ -37,6 +37,16 @@ export default {
       type: Number,
       required: true,
     },
+    itemIid: {
+      type: Number,
+      required: false,
+      default: null,
+    },
+    itemIdTooltip: {
+      type: String,
+      required: false,
+      default: '',
+    },
     time: {
       type: String,
       required: true,
@@ -85,7 +95,12 @@ export default {
     <section class="header-main-content">
       <ci-icon-badge :status="status" />
 
-      <strong> {{ itemName }} #{{ itemId }} </strong>
+      <strong v-gl-tooltip :title="itemIdTooltip">
+        {{ itemName }} #{{ itemId }}
+        <template v-if="itemIid"
+          >(#{{ itemIid }})</template
+        >
+      </strong>
 
       <template v-if="shouldRenderTriggeredLabel">
         triggered
@@ -96,9 +111,8 @@ export default {
 
       <timeago-tooltip :time="time" />
 
-      by
-
       <template v-if="user">
+        by
         <gl-link
           v-gl-tooltip
           :href="user.path"
diff --git a/app/serializers/pipeline_entity.rb b/app/serializers/pipeline_entity.rb
index 9ef93b2387f..ec2698ecbe3 100644
--- a/app/serializers/pipeline_entity.rb
+++ b/app/serializers/pipeline_entity.rb
@@ -4,6 +4,7 @@ class PipelineEntity < Grape::Entity
   include RequestAwareEntity
 
   expose :id
+  expose :iid
   expose :user, using: UserEntity
   expose :active?, as: :active
 
diff --git a/app/views/projects/ci/builds/_build.html.haml b/app/views/projects/ci/builds/_build.html.haml
index f4560404c03..bdf7b933ab8 100644
--- a/app/views/projects/ci/builds/_build.html.haml
+++ b/app/views/projects/ci/builds/_build.html.haml
@@ -53,9 +53,10 @@
         %span.badge.badge-info= _('manual')
 
   - if pipeline_link
-    %td
-      = link_to pipeline_path(pipeline) do
+    %td.pipeline-link
+      = link_to pipeline_path(pipeline), class: 'has-tooltip', title: _('Pipeline ID (IID)') do
         %span.pipeline-id ##{pipeline.id}
+        %span.pipeline-iid (##{pipeline.iid})
       %span by
       - if pipeline.user
         = user_avatar(user: pipeline.user, size: 20)
diff --git a/app/views/projects/commit/_commit_box.html.haml b/app/views/projects/commit/_commit_box.html.haml
index a0db48bf8ff..ef2777e6601 100644
--- a/app/views/projects/commit/_commit_box.html.haml
+++ b/app/views/projects/commit/_commit_box.html.haml
@@ -81,7 +81,7 @@
         = link_to project_pipeline_path(@project, last_pipeline.id), class: "ci-status-icon-#{last_pipeline.status}" do
           = ci_icon_for_status(last_pipeline.status)
       #{ _('Pipeline') }
-      = link_to "##{last_pipeline.id}", project_pipeline_path(@project, last_pipeline.id)
+      = link_to "##{last_pipeline.id} (##{last_pipeline.iid})", project_pipeline_path(@project, last_pipeline.id), class: "has-tooltip", title: _('Pipeline ID (IID)')
       = ci_label_for_status(last_pipeline.status)
       - if last_pipeline.stages_count.nonzero?
         #{ n_(s_('Pipeline|with stage'), s_('Pipeline|with stages'), last_pipeline.stages_count) }
diff --git a/changelogs/unreleased/57414-show-pipeline-iid.yml b/changelogs/unreleased/57414-show-pipeline-iid.yml
new file mode 100644
index 00000000000..596ae00e5a3
--- /dev/null
+++ b/changelogs/unreleased/57414-show-pipeline-iid.yml
@@ -0,0 +1,5 @@
+---
+title: Show Pipeline IID everywhere Pipeline ID is shown
+merge_request: 57414
+author: Mike Scott
+type: added
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index dc119784885..d33393ffc26 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -6886,6 +6886,9 @@ msgstr ""
 msgid "Pipeline"
 msgstr ""
 
+msgid "Pipeline ID (IID)"
+msgstr ""
+
 msgid "Pipeline Schedule"
 msgstr ""
 
diff --git a/spec/features/merge_request/user_merges_when_pipeline_succeeds_spec.rb b/spec/features/merge_request/user_merges_when_pipeline_succeeds_spec.rb
index 6e54aa6006b..d4ad11b3585 100644
--- a/spec/features/merge_request/user_merges_when_pipeline_succeeds_spec.rb
+++ b/spec/features/merge_request/user_merges_when_pipeline_succeeds_spec.rb
@@ -52,7 +52,7 @@ describe 'Merge request > User merges when pipeline succeeds', :js do
           # so we have to wait for asynchronous call to reload it
           # and have_content expectation handles that.
           #
-          expect(page).to have_content "Pipeline ##{pipeline.id} running"
+          expect(page).to have_content "Pipeline ##{pipeline.id} (##{pipeline.iid}) running"
         end
 
         it_behaves_like 'Merge when pipeline succeeds activator'
diff --git a/spec/features/merge_request/user_sees_merge_widget_spec.rb b/spec/features/merge_request/user_sees_merge_widget_spec.rb
index a32c6bdcf8f..93ddde623fe 100644
--- a/spec/features/merge_request/user_sees_merge_widget_spec.rb
+++ b/spec/features/merge_request/user_sees_merge_widget_spec.rb
@@ -160,7 +160,7 @@ describe 'Merge request > User sees merge widget', :js do
 
     it 'shows head pipeline information' do
       within '.ci-widget-content' do
-        expect(page).to have_content("Pipeline ##{pipeline.id} pending " \
+        expect(page).to have_content("Pipeline ##{pipeline.id} (##{pipeline.iid}) pending " \
                                      "for #{pipeline.short_sha} " \
                                      "on #{pipeline.ref}")
       end
@@ -189,7 +189,7 @@ describe 'Merge request > User sees merge widget', :js do
 
     it 'shows head pipeline information' do
       within '.ci-widget-content' do
-        expect(page).to have_content("Pipeline ##{pipeline.id} pending " \
+        expect(page).to have_content("Pipeline ##{pipeline.id} (##{pipeline.iid}) pending " \
                                      "for #{pipeline.short_sha} " \
                                      "on #{merge_request.to_reference} " \
                                      "with #{merge_request.source_branch}")
@@ -201,7 +201,7 @@ describe 'Merge request > User sees merge widget', :js do
 
       it 'shows head pipeline information' do
         within '.ci-widget-content' do
-          expect(page).to have_content("Pipeline ##{pipeline.id} pending " \
+          expect(page).to have_content("Pipeline ##{pipeline.id} (##{pipeline.iid}) pending " \
                                        "for #{pipeline.short_sha} " \
                                        "on #{merge_request.to_reference} " \
                                        "with #{merge_request.source_branch}")
@@ -234,7 +234,7 @@ describe 'Merge request > User sees merge widget', :js do
 
     it 'shows head pipeline information' do
       within '.ci-widget-content' do
-        expect(page).to have_content("Pipeline ##{pipeline.id} pending " \
+        expect(page).to have_content("Pipeline ##{pipeline.id} (##{pipeline.iid}) pending " \
                                      "for #{pipeline.short_sha} " \
                                      "on #{merge_request.to_reference} " \
                                      "with #{merge_request.source_branch} " \
@@ -248,7 +248,7 @@ describe 'Merge request > User sees merge widget', :js do
 
       it 'shows head pipeline information' do
         within '.ci-widget-content' do
-          expect(page).to have_content("Pipeline ##{pipeline.id} pending " \
+          expect(page).to have_content("Pipeline ##{pipeline.id} (##{pipeline.iid}) pending " \
                                        "for #{pipeline.short_sha} " \
                                        "on #{merge_request.to_reference} " \
                                        "with #{merge_request.source_branch} " \
diff --git a/spec/features/projects/commits/user_browses_commits_spec.rb b/spec/features/projects/commits/user_browses_commits_spec.rb
index 574a8aefd63..953517cdff9 100644
--- a/spec/features/projects/commits/user_browses_commits_spec.rb
+++ b/spec/features/projects/commits/user_browses_commits_spec.rb
@@ -61,7 +61,7 @@ describe 'User browses commits' do
     it 'renders commit ci info' do
       visit project_commit_path(project, sample_commit.id)
 
-      expect(page).to have_content "Pipeline ##{pipeline.id} pending"
+      expect(page).to have_content "Pipeline ##{pipeline.id} (##{pipeline.iid}) pending"
     end
   end
 
diff --git a/spec/features/projects/jobs/user_browses_jobs_spec.rb b/spec/features/projects/jobs/user_browses_jobs_spec.rb
index ebc20d15d67..bd6c73f4b85 100644
--- a/spec/features/projects/jobs/user_browses_jobs_spec.rb
+++ b/spec/features/projects/jobs/user_browses_jobs_spec.rb
@@ -16,6 +16,12 @@ describe 'User browses jobs' do
     visit(project_jobs_path(project))
   end
 
+  it 'shows pipeline id and IID' do
+    page.within('td.pipeline-link') do
+      expect(page).to have_content("##{pipeline.id} (##{pipeline.iid})")
+    end
+  end
+
   it 'shows the coverage' do
     page.within('td.coverage') do
       expect(page).to have_content('99.9%')
diff --git a/spec/features/projects/jobs_spec.rb b/spec/features/projects/jobs_spec.rb
index 9cf04fe13b4..77ea613b282 100644
--- a/spec/features/projects/jobs_spec.rb
+++ b/spec/features/projects/jobs_spec.rb
@@ -129,7 +129,7 @@ describe 'Jobs', :clean_gitlab_redis_shared_state do
         visit project_job_path(project, job)
 
         within '.js-pipeline-info' do
-          expect(page).to have_content("Pipeline ##{pipeline.id} for #{pipeline.ref}")
+          expect(page).to have_content("Pipeline ##{pipeline.id} (##{pipeline.iid}) for #{pipeline.ref}")
         end
       end
 
diff --git a/spec/javascripts/jobs/components/stages_dropdown_spec.js b/spec/javascripts/jobs/components/stages_dropdown_spec.js
index 52bb5161123..e98639bf21e 100644
--- a/spec/javascripts/jobs/components/stages_dropdown_spec.js
+++ b/spec/javascripts/jobs/components/stages_dropdown_spec.js
@@ -9,6 +9,7 @@ describe('Stages Dropdown', () => {
 
   const mockPipelineData = {
     id: 28029444,
+    iid: 123,
     details: {
       status: {
         details_path: '/gitlab-org/gitlab-ce/pipelines/28029444',
@@ -77,8 +78,8 @@ describe('Stages Dropdown', () => {
       expect(vm.$el.querySelector('.dropdown .js-selected-stage').textContent).toContain('deploy');
     });
 
-    it(`renders the pipeline info text like "Pipeline #123 for source_branch"`, () => {
-      const expected = `Pipeline #${pipeline.id} for ${pipeline.ref.name}`;
+    it(`renders the pipeline info text like "Pipeline #123 (#12) for source_branch"`, () => {
+      const expected = `Pipeline #${pipeline.id} (#${pipeline.iid}) for ${pipeline.ref.name}`;
       const actual = trimText(vm.$el.querySelector('.js-pipeline-info').innerText);
 
       expect(actual).toBe(expected);
@@ -100,10 +101,10 @@ describe('Stages Dropdown', () => {
       });
     });
 
-    it(`renders the pipeline info text like "Pipeline #123 for !456 with source_branch into target_branch"`, () => {
-      const expected = `Pipeline #${pipeline.id} for !${pipeline.merge_request.iid} with ${
-        pipeline.merge_request.source_branch
-      } into ${pipeline.merge_request.target_branch}`;
+    it(`renders the pipeline info text like "Pipeline #123 (#12) for !456 with source_branch into target_branch"`, () => {
+      const expected = `Pipeline #${pipeline.id} (#${pipeline.iid}) for !${
+        pipeline.merge_request.iid
+      } with ${pipeline.merge_request.source_branch} into ${pipeline.merge_request.target_branch}`;
       const actual = trimText(vm.$el.querySelector('.js-pipeline-info').innerText);
 
       expect(actual).toBe(expected);
@@ -143,10 +144,10 @@ describe('Stages Dropdown', () => {
       });
     });
 
-    it(`renders the pipeline info like "Pipeline #123 for !456 with source_branch"`, () => {
-      const expected = `Pipeline #${pipeline.id} for !${pipeline.merge_request.iid} with ${
-        pipeline.merge_request.source_branch
-      }`;
+    it(`renders the pipeline info like "Pipeline #123 (#12) for !456 with source_branch"`, () => {
+      const expected = `Pipeline #${pipeline.id} (#${pipeline.iid}) for !${
+        pipeline.merge_request.iid
+      } with ${pipeline.merge_request.source_branch}`;
       const actual = trimText(vm.$el.querySelector('.js-pipeline-info').innerText);
 
       expect(actual).toBe(expected);
diff --git a/spec/javascripts/jobs/mock_data.js b/spec/javascripts/jobs/mock_data.js
index 3d40e94d219..88b0bb206ee 100644
--- a/spec/javascripts/jobs/mock_data.js
+++ b/spec/javascripts/jobs/mock_data.js
@@ -960,6 +960,7 @@ export default {
   },
   pipeline: {
     id: 140,
+    iid: 13,
     user: {
       name: 'Root',
       username: 'root',
diff --git a/spec/javascripts/pipelines/mock_data.js b/spec/javascripts/pipelines/mock_data.js
index 03ead6cd8ba..8eef9166b8d 100644
--- a/spec/javascripts/pipelines/mock_data.js
+++ b/spec/javascripts/pipelines/mock_data.js
@@ -1,5 +1,6 @@
 export const pipelineWithStages = {
   id: 20333396,
+  iid: 304399,
   user: {
     id: 128633,
     name: 'Rémy Coutable',
diff --git a/spec/javascripts/pipelines/pipeline_url_spec.js b/spec/javascripts/pipelines/pipeline_url_spec.js
index aa196af2f33..88c0137dc58 100644
--- a/spec/javascripts/pipelines/pipeline_url_spec.js
+++ b/spec/javascripts/pipelines/pipeline_url_spec.js
@@ -13,6 +13,7 @@ describe('Pipeline Url Component', () => {
       propsData: {
         pipeline: {
           id: 1,
+          iid: 1,
           path: 'foo',
           flags: {},
         },
@@ -28,6 +29,7 @@ describe('Pipeline Url Component', () => {
       propsData: {
         pipeline: {
           id: 1,
+          iid: 1,
           path: 'foo',
           flags: {},
         },
@@ -47,6 +49,7 @@ describe('Pipeline Url Component', () => {
       propsData: {
         pipeline: {
           id: 1,
+          iid: 1,
           path: 'foo',
           flags: {
             latest: true,
@@ -78,6 +81,7 @@ describe('Pipeline Url Component', () => {
       propsData: {
         pipeline: {
           id: 1,
+          iid: 1,
           path: 'foo',
           flags: {
             latest: true,
@@ -100,6 +104,7 @@ describe('Pipeline Url Component', () => {
       propsData: {
         pipeline: {
           id: 1,
+          iid: 1,
           path: 'foo',
           flags: {
             failure_reason: true,
diff --git a/spec/javascripts/vue_mr_widget/components/mr_widget_pipeline_spec.js b/spec/javascripts/vue_mr_widget/components/mr_widget_pipeline_spec.js
index 75017d20473..a2308b0dfdb 100644
--- a/spec/javascripts/vue_mr_widget/components/mr_widget_pipeline_spec.js
+++ b/spec/javascripts/vue_mr_widget/components/mr_widget_pipeline_spec.js
@@ -103,7 +103,7 @@ describe('MRWidgetPipeline', () => {
 
       it('should render pipeline ID', () => {
         expect(vm.$el.querySelector('.pipeline-id').textContent.trim()).toEqual(
-          `#${mockData.pipeline.id}`,
+          `#${mockData.pipeline.id} (#${mockData.pipeline.iid})`,
         );
       });
 
@@ -150,7 +150,7 @@ describe('MRWidgetPipeline', () => {
 
       it('should render pipeline ID', () => {
         expect(vm.$el.querySelector('.pipeline-id').textContent.trim()).toEqual(
-          `#${mockData.pipeline.id}`,
+          `#${mockData.pipeline.id} (#${mockData.pipeline.iid})`,
         );
       });
 
@@ -222,9 +222,9 @@ describe('MRWidgetPipeline', () => {
           sourceBranchLink: mockCopy.source_branch_link,
         });
 
-        const expected = `Pipeline #${pipeline.id} ${pipeline.details.status.label} for ${
-          pipeline.commit.short_id
-        } on ${mockCopy.source_branch_link}`;
+        const expected = `Pipeline #${pipeline.id} (#${pipeline.iid}) ${
+          pipeline.details.status.label
+        } for ${pipeline.commit.short_id} on ${mockCopy.source_branch_link}`;
 
         const actual = trimText(vm.$el.querySelector('.js-pipeline-info-container').innerText);
 
@@ -247,11 +247,11 @@ describe('MRWidgetPipeline', () => {
           sourceBranchLink: mockCopy.source_branch_link,
         });
 
-        const expected = `Pipeline #${pipeline.id} ${pipeline.details.status.label} for ${
-          pipeline.commit.short_id
-        } on !${pipeline.merge_request.iid} with ${pipeline.merge_request.source_branch} into ${
-          pipeline.merge_request.target_branch
-        }`;
+        const expected = `Pipeline #${pipeline.id} (#${pipeline.iid}) ${
+          pipeline.details.status.label
+        } for ${pipeline.commit.short_id} on !${pipeline.merge_request.iid} with ${
+          pipeline.merge_request.source_branch
+        } into ${pipeline.merge_request.target_branch}`;
 
         const actual = trimText(vm.$el.querySelector('.js-pipeline-info-container').innerText);
 
@@ -274,9 +274,11 @@ describe('MRWidgetPipeline', () => {
           sourceBranchLink: mockCopy.source_branch_link,
         });
 
-        const expected = `Pipeline #${pipeline.id} ${pipeline.details.status.label} for ${
-          pipeline.commit.short_id
-        } on !${pipeline.merge_request.iid} with ${pipeline.merge_request.source_branch}`;
+        const expected = `Pipeline #${pipeline.id} (#${pipeline.iid}) ${
+          pipeline.details.status.label
+        } for ${pipeline.commit.short_id} on !${pipeline.merge_request.iid} with ${
+          pipeline.merge_request.source_branch
+        }`;
 
         const actual = trimText(vm.$el.querySelector('.js-pipeline-info-container').innerText);
 
diff --git a/spec/javascripts/vue_mr_widget/mock_data.js b/spec/javascripts/vue_mr_widget/mock_data.js
index bec16b0aab0..edbd0d54151 100644
--- a/spec/javascripts/vue_mr_widget/mock_data.js
+++ b/spec/javascripts/vue_mr_widget/mock_data.js
@@ -62,6 +62,7 @@ export default {
     "Merge branch 'daaaa' into 'master'\n\nUpdate README.md\n\nSee merge request !22",
   pipeline: {
     id: 172,
+    iid: 32,
     user: {
       name: 'Administrator',
       username: 'root',
@@ -241,6 +242,8 @@ export default {
 export const mockStore = {
   pipeline: {
     id: 0,
+    iid: 0,
+    path: '/root/acets-app/pipelines/0',
     details: {
       status: {
         details_path: '/root/review-app-tester/pipelines/66',
@@ -258,6 +261,8 @@ export const mockStore = {
   },
   mergePipeline: {
     id: 1,
+    iid: 1,
+    path: '/root/acets-app/pipelines/0',
     details: {
       status: {
         details_path: '/root/review-app-tester/pipelines/66',
diff --git a/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js b/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
index a0628fdcebe..7653c10b94b 100644
--- a/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
+++ b/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
@@ -600,6 +600,7 @@ describe('mrWidgetOptions', () => {
     ];
     const deploymentMockData = {
       id: 15,
+      iid: 7,
       name: 'review/diplo',
       url: '/root/acets-review-apps/environments/15',
       stop_url: '/root/acets-review-apps/environments/15/stop',
@@ -646,6 +647,7 @@ describe('mrWidgetOptions', () => {
         vm.mr.state = 'merged';
         vm.mr.mergePipeline = {
           id: 127,
+          iid: 35,
           user: {
             id: 1,
             name: 'Administrator',
diff --git a/spec/views/projects/commit/_commit_box.html.haml_spec.rb b/spec/views/projects/commit/_commit_box.html.haml_spec.rb
index 1086546c10d..457dd2e940f 100644
--- a/spec/views/projects/commit/_commit_box.html.haml_spec.rb
+++ b/spec/views/projects/commit/_commit_box.html.haml_spec.rb
@@ -27,7 +27,7 @@ describe 'projects/commit/_commit_box.html.haml' do
 
         render
 
-        expect(rendered).to have_text("Pipeline ##{third_pipeline.id} failed")
+        expect(rendered).to have_text("Pipeline ##{third_pipeline.id} (##{third_pipeline.iid}) failed")
       end
     end
 
@@ -40,7 +40,7 @@ describe 'projects/commit/_commit_box.html.haml' do
       it 'shows correct pipeline description' do
         render
 
-        expect(rendered).to have_text "Pipeline ##{pipeline.id} " \
+        expect(rendered).to have_text "Pipeline ##{pipeline.id} (##{pipeline.iid}) " \
                                       'waiting for manual action'
       end
     end
diff --git a/spec/views/projects/jobs/_build.html.haml_spec.rb b/spec/views/projects/jobs/_build.html.haml_spec.rb
index 1d58891036e..97b25a6976f 100644
--- a/spec/views/projects/jobs/_build.html.haml_spec.rb
+++ b/spec/views/projects/jobs/_build.html.haml_spec.rb
@@ -4,7 +4,7 @@ describe 'projects/ci/jobs/_build' do
   include Devise::Test::ControllerHelpers
 
   let(:project) { create(:project, :repository) }
-  let(:pipeline) { create(:ci_empty_pipeline, id: 1337, project: project, sha: project.commit.id) }
+  let(:pipeline) { create(:ci_empty_pipeline, id: 1337, iid: 57, project: project, sha: project.commit.id) }
   let(:build) { create(:ci_build, pipeline: pipeline, stage: 'test', stage_idx: 1, name: 'rspec 0:2', status: :pending) }
 
   before do
@@ -15,14 +15,14 @@ describe 'projects/ci/jobs/_build' do
   it 'won\'t include a column with a link to its pipeline by default' do
     render partial: 'projects/ci/builds/build', locals: { build: build }
 
-    expect(rendered).not_to have_link('#1337')
-    expect(rendered).not_to have_text('#1337 by API')
+    expect(rendered).not_to have_link('#1337 (#57)')
+    expect(rendered).not_to have_text('#1337 (#57) by API')
   end
 
   it 'can include a column with a link to its pipeline' do
     render partial: 'projects/ci/builds/build', locals: { build: build, pipeline_link: true }
 
-    expect(rendered).to have_link('#1337')
-    expect(rendered).to have_text('#1337 by API')
+    expect(rendered).to have_link('#1337 (#57)')
+    expect(rendered).to have_text('#1337 (#57) by API')
   end
 end