diff --git a/spack_repo/packages/sz3/package.py b/spack_repo/packages/sz3/package.py
new file mode 100644
index 0000000000000000000000000000000000000000..b28d09ba0ee4805e0b722fc93ed5fcfd1370ffe7
--- /dev/null
+++ b/spack_repo/packages/sz3/package.py
@@ -0,0 +1,53 @@
+# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class Sz3(CMakePackage):
+    """SZ3 is the next generation of the SZ compressor framework"""
+
+    homepage = "https://github.com/szcompressor/SZ3"
+    git = "https://github.com/szcompressor/SZ3"
+
+    maintainers("disheng222")
+    tags = ["e4s"]
+
+    version("master")
+    version("3.1.7", commit="c49fd17f2d908835c41000c1286c510046c0480e")
+    version("3.1.5.4", commit="4c6ddf628f27d36b28d1bbda02174359cd05573d")
+    version("3.1.5.1", commit="5736a63b917e439dd62248b4ff6234e96726af5d")
+    version("3.1.3.1", commit="323cb17b412d657c4be681b52c34beaf933fe7af")
+    version("3.1.3", commit="695dff8dc326f3b165f6676d810f46add088a585")
+
+    variant("hdf5", default=False, description="enable hdf5 filter support")
+    variant("mdz", default=True, description="build mdz executable")
+
+    depends_on("zstd")
+    depends_on("gsl")
+    depends_on("pkgconfig")
+    depends_on("hdf5", when="+hdf5")
+
+    def setup_run_environment(self, env):
+        if "+hdf5" in self.spec:
+            env.prepend_path("HDF5_PLUGIN_PATH", self.prefix.lib64)
+
+    def cmake_args(self):
+        return [
+            "-DSZ3_USE_BUNDLED_ZSTD=OFF",
+            "-DSZ3_DEBUG_TIMINGS=OFF",
+            self.define_from_variant("BUILD_MDZ", "mdz"),
+            self.define_from_variant("BUILD_H5Z_FILTER", "hdf5"),
+        ]
+
+    def test(self):
+        if self.spec.satisfies("@:3.1.6"):
+            print("smoke tests are only supported on 3.1.7 and later, skipping")
+            return
+
+        self.run_test(self.prefix.bin.sz3_smoke_test, purpose="sz3 works")
+
+        if "+mdz" in self.spec:
+            self.run_test(self.prefix.bin.mdz_smoke_test, purpose="mdz works")