diff --git a/var/spack/repos/spack_repo/builtin/packages/shamrock/package.py b/var/spack/repos/spack_repo/builtin/packages/shamrock/package.py
new file mode 100644
index 00000000000..d8feebbd692
--- /dev/null
+++ b/var/spack/repos/spack_repo/builtin/packages/shamrock/package.py
@@ -0,0 +1,118 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+import glob
+
+from spack.package import *
+
+
+class Shamrock(CMakePackage):
+    """The Shamrock exascale framework for astrophysics"""
+
+    homepage = "https://shamrock-code.github.io/"
+    url = "https://github.com/Shamrock-code/Shamrock/releases/download/v2025.05.0/shamrock-2025.05.0.tar"
+    git = "https://github.com/Shamrock-code/Shamrock.git"
+
+    maintainers("tdavidcl")
+
+    license("CeCILL Free Software License Agreement v2.1", checked_by="tdavidcl")
+
+    version("main", branch="main", submodules=True)
+
+    version("2025.05.0", sha256="59d5652467fd9453a65ae7b48e0c9b7d4162edc8df92e09d08dcc5275407a897")
+
+    depends_on("c", type="build")
+    depends_on("cxx", type="build")
+
+    variant("shared", default=True, description="Enables the build of shared libraries")
+    variant("testing", default=True, description="Enables the build of shared libraries")
+    variant("pybindings", default=True, description="Install python bindings")
+
+    generator("ninja")
+
+    depends_on("sycl")
+    requires(
+        "^[virtuals=sycl] intel-oneapi",
+        "^[virtuals=sycl] hipsycl",
+        policy="one_of",
+        msg="sycl provider must be one of intel-oneapi or hipsycl",
+    )
+
+    depends_on("mpi")
+    depends_on("python")
+
+    extends("python", when="+pybindings")
+
+    def cmake_args(self):
+
+        spec = self.spec
+
+        args = [
+            self.define("SHAMROCK_ENABLE_BACKEND", "SYCL"),
+            self.define("PYTHON_EXECUTABLE", spec["python"].command.path),
+            self.define_from_variant("BUILD_TEST", "testing"),
+        ]
+
+        # switch based on SYCL provider
+        sycl_spec = self.spec["sycl"]
+        if sycl_spec.satisfies("intel-oneapi"):
+            args += [
+                self.define("SYCL_IMPLEMENTATION", "IntelLLVM"),
+                self.define("CMAKE_CXX_COMPILER", "icpx"),
+                self.define("INTEL_LLVM_PATH", self.spec["intel-oneapi"].prefix),
+            ]
+        elif sycl_spec.satisfies("hipsycl"):
+            args += [self.define("SYCL_IMPLEMENTATION", "ACPPDirect")]
+
+            if sycl_spec.satisfies("hipsycl@:0.9.4"):
+                args += [self.define("CMAKE_CXX_COMPILER", "syclcc")]
+            else:
+                args += [self.define("CMAKE_CXX_COMPILER", "acpp")]
+
+            args += [self.define("ACPP_PATH", self.spec["hipsycl"].prefix)]
+
+        return args
+
+    @run_after("install")
+    def install_python_bindigs(self):
+        """Copy the .so files to the python site-packages directory"""
+
+        spec = self.spec
+        libdir = spec.prefix.lib
+
+        if self.spec.satisfies("+pybindings"):
+            # move shamrock python bindings into expected place
+            site_packages = join_path(python_platlib, "shamrock")
+            mkdirp(site_packages)
+
+            # Find all .so files in the build directory
+            so_files = glob.glob(join_path(libdir, "*.so"))
+
+            # Install each .so file to the install directory
+            for _f in so_files:
+                install(_f, site_packages)
+
+            # Python need a __init__.py file to import properly the .so
+            raw_string = "from .shamrock import *\n"
+            filename = "__init__.py"
+            filepath = join_path(site_packages, filename)
+            with open(filepath, "w") as f:
+                f.write(raw_string)
+
+    def test_install(self):
+        """Test the install (executable, python bindings)"""
+
+        shamrock = Executable(self.prefix.bin.shamrock)
+
+        shamrock("--help")
+        shamrock("--smi")
+        shamrock("--smi", "--sycl-cfg", "0:0")
+
+        python(
+            "-c",
+            "import shamrock;"
+            "shamrock.change_loglevel(125);"
+            "shamrock.sys.init('0:0');"
+            "shamrock.sys.close()",
+        )