diff --git a/app/components/rapid_diffs/diff_file_header_component.html.haml b/app/components/rapid_diffs/diff_file_header_component.html.haml
index 3d328292654c1d1cfcd8691a85eae7f1d30c5d6f..22e81aa36aa073cc8bfb58dc9f5830e3cb878a29 100644
--- a/app/components/rapid_diffs/diff_file_header_component.html.haml
+++ b/app/components/rapid_diffs/diff_file_header_component.html.haml
@@ -1,5 +1,4 @@
 -# TODO: add file size
--# TODO: add file toggle
 -# TODO: add comment button
 -# TODO: add viewed toggle
 -# TODO: add raw\rendered toggle
@@ -18,11 +17,11 @@
     = render Pajamas::ButtonComponent.new(category: :tertiary, size: :small, icon: 'chevron-right', button_options: { data: { closed: '', click: 'toggleFile' }, aria: { label: _('Show file contents') } })
   .rd-diff-file-title
     - if @diff_file.submodule?
-      %span
+      %span{ data: { testid: 'rd-diff-file-header-submodule' } }
         = helpers.sprite_icon('folder-git', file_icon: true)
         %strong
           = helpers.submodule_link(@diff_file.blob, @diff_file.content_sha, @diff_file.repository)
-      -# TODO: add copy button
+      = copy_path_button
     - else
       -# TODO: add icons for file types
       - if @diff_file.renamed_file?
@@ -37,7 +36,7 @@
           = @diff_file.file_path
         - if @diff_file.deleted_file?
           = _("deleted")
-      -# TODO: add copy button
+        = copy_path_button
       - if @diff_file.mode_changed?
         %small #{@diff_file.a_mode} → #{@diff_file.b_mode}
       - if @diff_file.stored_externally? && @diff_file.external_storage == :lfs
diff --git a/app/components/rapid_diffs/diff_file_header_component.rb b/app/components/rapid_diffs/diff_file_header_component.rb
index b60f56f4f55534ab7579fae77e9caac26fa6619c..5b0a88002c2d886cd2bb80585fecc833839b9805 100644
--- a/app/components/rapid_diffs/diff_file_header_component.rb
+++ b/app/components/rapid_diffs/diff_file_header_component.rb
@@ -2,8 +2,21 @@
 
 module RapidDiffs
   class DiffFileHeaderComponent < ViewComponent::Base
+    include ButtonHelper
+
     def initialize(diff_file:)
       @diff_file = diff_file
     end
+
+    def copy_path_button
+      clipboard_button(
+        text: @diff_file.file_path,
+        gfm: "`#{@diff_file.file_path}`",
+        title: _("Copy file path"),
+        placement: "top",
+        boundary: "viewport",
+        testid: "rd-diff-file-copy-clipboard"
+      )
+    end
   end
 end
diff --git a/spec/components/rapid_diffs/diff_file_header_component_spec.rb b/spec/components/rapid_diffs/diff_file_header_component_spec.rb
index 9d4bff596e99f8375d5931bb030ed5586966a44f..42c8ca34ec714af3af811c1a3e5210600146a2ff 100644
--- a/spec/components/rapid_diffs/diff_file_header_component_spec.rb
+++ b/spec/components/rapid_diffs/diff_file_header_component_spec.rb
@@ -11,13 +11,25 @@
     expect(header).to have_text(diff_file.file_path)
   end
 
+  it "renders copy path button" do
+    clipboard_text = '{"text":"files/ruby/popen.rb","gfm":"`files/ruby/popen.rb`"}'
+    button_selector = '[data-testid="rd-diff-file-header"] [data-testid="rd-diff-file-copy-clipboard"]'
+    icon_selector = "#{button_selector} svg use"
+
+    render_component
+
+    expect(page.find(button_selector)['data-clipboard-text']).to eq(clipboard_text)
+    expect(page.find(button_selector)['title']).to eq(_('Copy file path'))
+    expect(page.find(icon_selector)['href']).to include('copy-to-clipboard')
+  end
+
   it "renders submodule info", quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/489868' do
     allow(diff_file).to receive(:submodule?).and_return(true)
     allow_next_instance_of(SubmoduleHelper) do |instance|
       allow(instance).to receive(:submodule_links).and_return(nil)
     end
     render_component
-    expect(page.find('svg use')['href']).to include('folder-git')
+    expect(page.find('[data-testid="rd-diff-file-header-submodule"] svg use')['href']).to include('folder-git')
     expect(page).to have_text(diff_file.blob.name)
     expect(page).to have_text(diff_file.blob.id[0..7])
   end