diff --git a/lib/linguist/generated.rb b/lib/linguist/generated.rb
index b8d05f2ecd..718ac2a0f5 100644
--- a/lib/linguist/generated.rb
+++ b/lib/linguist/generated.rb
@@ -72,6 +72,7 @@ def generated?
       generated_yarn_plugnplay? ||
       godeps? ||
       generated_by_zephir? ||
+      htmlcov? ||
       minified_files? ||
       has_source_map? ||
       source_map? ||
@@ -797,6 +798,15 @@ def generated_sorbet_rbi?
       lines[4].match?(/^# Please.*run.*`.*tapioca/)
     end
 
+    # Internal: Is this an HTML coverage report?
+    #
+    # Tools like coverage.py generate HTML reports under an `htmlcov` directory.
+    #
+    # Returns true or false.
+    def htmlcov?
+      !!name.match(/(?:^|\/)htmlcov\//)
+    end
+
     # Internal: Extract a Hash of name/content pairs from an HTML <meta> tag
     def extract_html_meta(match)
       (match.last.sub(/\/\Z/, "").strip.scan(/
diff --git a/test/test_generated.rb b/test/test_generated.rb
index eab1b5eedd..dc5ec9b846 100644
--- a/test/test_generated.rb
+++ b/test/test_generated.rb
@@ -196,6 +196,16 @@ def test_check_generated
 
     # pdm
     generated_sample_without_loading_data("TOML/filenames/pdm.lock")
+
+    # coverage.py `coverage html` output
+    generated_sample_without_loading_data("htmlcov/index.html")
+    generated_sample_without_loading_data("htmlcov/coverage_html.js")
+    generated_sample_without_loading_data("htmlcov/style.css")
+    generated_sample_without_loading_data("htmlcov/status.json")
+    generated_sample_without_loading_data("Dummy/htmlcov/index.html")
+    generated_sample_without_loading_data("Dummy/htmlcov/coverage_html.js")
+    generated_sample_without_loading_data("Dummy/htmlcov/style.css")
+    generated_sample_without_loading_data("Dummy/htmlcov/status.json")
   end
 
   # We've whitelisted these files on purpose, even though they're machine-generated.