diff --git a/pkgs/development/python-modules/orderedmultidict/default.nix b/pkgs/development/python-modules/orderedmultidict/default.nix
new file mode 100644
index 000000000000..f144c43da06f
--- /dev/null
+++ b/pkgs/development/python-modules/orderedmultidict/default.nix
@@ -0,0 +1,22 @@
+{ stdenv, buildPythonPackage, fetchPypi, flake8, six }:
+
+buildPythonPackage rec {
+  pname = "orderedmultidict";
+  version = "1.0.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1bc2v0yflsxjyyjx4q9wqx0j3bvzcw9z87d5pz4iqac7bsxhn1q4";
+  };
+
+  checkInputs = [ flake8 ];
+
+  propagatedBuildInputs = [ six ];
+
+  meta = with stdenv.lib; {
+    description = "Ordered Multivalue Dictionary.";
+    homepage = https://github.com/gruns/orderedmultidict;
+    license = licenses.publicDomain;
+    maintainers = with maintainers; [ vanzef ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 975df9f16b9a..319d59212a50 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -921,6 +921,8 @@ in {
 
   ordered-set = callPackage ../development/python-modules/ordered-set { };
 
+  orderedmultidict = callPackage ../development/python-modules/orderedmultidict { };
+
   ortools = (toPythonModule (pkgs.or-tools.override {
     inherit (self) python;
     pythonProtobuf = self.protobuf;