diff --git a/pkgs/development/python-modules/language-data/default.nix b/pkgs/development/python-modules/language-data/default.nix
new file mode 100644
index 000000000000..98d4885b1e94
--- /dev/null
+++ b/pkgs/development/python-modules/language-data/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, buildPythonApplication
+, fetchFromGitHub
+, marisa-trie
+, poetry-core
+, pythonOlder
+}:
+
+buildPythonApplication rec {
+  pname = "language-data";
+  version = "1.0.1";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "rspeer";
+    repo = "language_data";
+    rev = "v${version}";
+    sha256 = "51TUVHXPHG6ofbnxI6+o5lrtr+QCIpGKu+OjDK3l7Mc=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    marisa-trie
+  ];
+
+  # Module has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "language_data"
+  ];
+
+  meta = with lib; {
+    description = "Supplement module for langcodes";
+    homepage = "https://github.com/rspeer/language_data";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8a0cffc04a2a..1fa579ce0114 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4269,6 +4269,8 @@ in {
 
   langdetect = callPackage ../development/python-modules/langdetect { };
 
+  language-data = callPackage ../development/python-modules/language-data { };
+
   lark-parser = callPackage ../development/python-modules/lark-parser { };
 
   latexcodec = callPackage ../development/python-modules/latexcodec { };