diff --git a/lib/factory_girl.rb b/lib/factory_girl.rb
index 92bb8b5..6fb8481 100644
--- a/lib/factory_girl.rb
+++ b/lib/factory_girl.rb
@@ -54,6 +54,26 @@ module FactoryGirl
     @configuration = nil
   end
 
+  def self.lint
+    invalid_factories = FactoryGirl.factories.select do |factory|
+      built_factory = FactoryGirl.build(factory.name)
+
+      if built_factory.respond_to?(:valid?)
+        !built_factory.valid?
+      end
+    end
+
+    if invalid_factories.any?
+      error_message = <<-ERROR_MESSAGE.strip
+The following factories are invalid:
+
+#{invalid_factories.map {|factory| "* #{factory.name}" }.join("\n")}
+      ERROR_MESSAGE
+
+      raise InvalidFactoryError, error_message
+    end
+  end
+
   class << self
     delegate :factories, :sequences, :traits, :callbacks, :strategies, :callback_names,
       :to_create, :skip_create, :initialize_with, :constructor, :duplicate_attribute_assignment_from_initialize_with,
diff --git a/lib/factory_girl/errors.rb b/lib/factory_girl/errors.rb
index c0aa100..5c0956d 100644
--- a/lib/factory_girl/errors.rb
+++ b/lib/factory_girl/errors.rb
@@ -19,4 +19,7 @@ module FactoryGirl
 
   # Raised when a method is defined in a factory or trait with arguments
   class MethodDefinitionError < RuntimeError; end
+
+  # Raised when any factory is considered invalid
+  class InvalidFactoryError < RuntimeError; end
 end
diff --git a/spec/acceptance/lint_spec.rb b/spec/acceptance/lint_spec.rb
new file mode 100644
index 0000000..3315ed3
--- /dev/null
+++ b/spec/acceptance/lint_spec.rb
@@ -0,0 +1,55 @@
+require 'spec_helper'
+
+describe 'FactoryGirl.lint' do
+  it 'raises when a factory is invalid' do
+    define_model 'User', name: :string do
+      validates :name, presence: true
+    end
+
+    define_model 'AlwaysValid'
+
+    FactoryGirl.define do
+      factory :user do
+        factory :admin_user
+      end
+
+      factory :always_valid
+    end
+
+    error_message = <<-ERROR_MESSAGE.strip
+The following factories are invalid:
+
+* user
+* admin_user
+    ERROR_MESSAGE
+
+    expect do
+      FactoryGirl.lint
+    end.to raise_error FactoryGirl::InvalidFactoryError, error_message
+  end
+
+  it 'does not raise when all factories are valid' do
+    define_model 'User', name: :string do
+      validates :name, presence: true
+    end
+
+    FactoryGirl.define do
+      factory :user do
+        name 'assigned'
+      end
+    end
+
+    expect { FactoryGirl.lint }.not_to raise_error
+  end
+
+  it 'supports models which do not respond to #valid?' do
+    define_class 'Thing'
+
+    FactoryGirl.define do
+      factory :thing
+    end
+
+    expect(Thing.new).not_to respond_to(:valid?)
+    expect { FactoryGirl.lint }.not_to raise_error
+  end
+end