diff --git a/pkgs/by-name/ca/catalyst/package.nix b/pkgs/by-name/ca/catalyst/package.nix
new file mode 100644
index 000000000000..d6e7f00903b7
--- /dev/null
+++ b/pkgs/by-name/ca/catalyst/package.nix
@@ -0,0 +1,111 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitLab,
+  cmake,
+  gfortran,
+  mpi,
+  python3Packages,
+  ctestCheckHook,
+  mpiCheckPhaseHook,
+  mpiSupport ? true,
+  pythonSupport ? false,
+  fortranSupport ? false,
+
+  # passthru.tests
+  testers,
+  catalyst,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "catalyst";
+  version = "2.0.0";
+
+  src = fetchFromGitLab {
+    domain = "gitlab.kitware.com";
+    owner = "paraview";
+    repo = "catalyst";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-uPb7vgJpKquZVmSMxeWDVMiNkUdYv3oVVKu7t4+zkbs=";
+  };
+
+  nativeBuildInputs =
+    [
+      cmake
+    ]
+    ++ lib.optionals pythonSupport [
+      python3Packages.python
+      python3Packages.pythonImportsCheckHook
+    ]
+    ++ lib.optionals fortranSupport [
+      gfortran
+    ];
+
+  propagatedBuildInputs =
+    # create meta package providing dist-info for python3Pacakges.catalyst that common cmake build does not do
+    lib.optional pythonSupport (
+      python3Packages.mkPythonMetaPackage {
+        inherit (finalAttrs) pname version meta;
+        dependencies =
+          with python3Packages;
+          [
+            numpy
+          ]
+          ++ lib.optional mpiSupport (mpi4py.override { inherit mpi; });
+      }
+    )
+    ++ lib.optional mpiSupport mpi;
+
+  cmakeFlags = [
+    (lib.cmakeFeature "CMAKE_INSTALL_BINDIR" "bin")
+    (lib.cmakeFeature "CMAKE_INSTALL_LIBDIR" "lib")
+    (lib.cmakeFeature "CMAKE_INSTALL_INCLUDEDIR" "include")
+    (lib.cmakeBool "CATALYST_USE_MPI" mpiSupport)
+    (lib.cmakeBool "CATALYST_WRAP_PYTHON" pythonSupport)
+    (lib.cmakeBool "CATALYST_WRAP_FORTRAN" fortranSupport)
+    (lib.cmakeBool "CATALYST_BUILD_TESTING" finalAttrs.finalPackage.doCheck)
+  ];
+
+  postInstall = lib.optionalString pythonSupport ''
+    python -m compileall -s $out $out/${python3Packages.python.sitePackages}
+  '';
+
+  doCheck = true;
+
+  preCheck = lib.optionalString stdenv.hostPlatform.isDarwin ''
+    export DYLD_LIBRARY_PATH=$PWD/lib:$DYLD_LIBRARY_PATH
+  '';
+
+  __darwinAllowLocalNetworking = mpiSupport;
+
+  nativeCheckInputs = [ ctestCheckHook ] ++ lib.optional mpiSupport mpiCheckPhaseHook;
+
+  disabledTests = lib.optionals fortranSupport [
+    # unexpected fortran binding symbol *__iso_c_binding_C_ptr
+    "catalyst-abi-nm"
+  ];
+
+  pythonImportsCheck = [ "catalyst" ];
+
+  passthru.tests = {
+    cmake-config = testers.hasCmakeConfigModules {
+      moduleNames = [ "catalyst" ];
+      package = finalAttrs.finalPackage;
+    };
+    serial = catalyst.override { mpiSupport = false; };
+    fortran = catalyst.override { fortranSupport = true; };
+  };
+
+  meta = {
+    description = "In situ visualization and analysis library";
+    homepage = "https://kitware.github.io/paraview-catalyst";
+    downloadPage = "https://gitlab.kitware.com/paraview/catalyst";
+    license = with lib.licenses; [
+      bsd3
+      # vendored conduit
+      bsd3Lbnl
+    ];
+    maintainers = with lib.maintainers; [ qbisi ];
+    platforms = lib.platforms.unix;
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4ee283b41fc4..b117b9bd0e66 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2291,6 +2291,13 @@ self: super: with self; {
 
   catalogue = callPackage ../development/python-modules/catalogue { };
 
+  catalyst = toPythonModule (
+    pkgs.catalyst.override {
+      python3Packages = self;
+      pythonSupport = true;
+    }
+  );
+
   catboost = callPackage ../development/python-modules/catboost {
     catboost = pkgs.catboost.override {
       pythonSupport = true;