diff --git a/projects/orjson/Dockerfile b/projects/orjson/Dockerfile
new file mode 100644
index 000000000..a158f5837
--- /dev/null
+++ b/projects/orjson/Dockerfile
@@ -0,0 +1,29 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder-python
+RUN apt-get update && apt-get install -y make autoconf automake libtool
+
+RUN python3 -m pip install --upgrade pip
+
+RUN rm -rf /usr/local/bin/cargo
+RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2022-07-26 --profile minimal -y
+ENV PATH="/root/.cargo/bin:${PATH}"
+
+RUN git clone --depth 1 https://github.com/ijl/orjson orjson
+
+WORKDIR orjson
+COPY build.sh *.py $SRC/
diff --git a/projects/orjson/build.sh b/projects/orjson/build.sh
new file mode 100755
index 000000000..33321d2e9
--- /dev/null
+++ b/projects/orjson/build.sh
@@ -0,0 +1,23 @@
+#!/bin/bash -eu
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+export RUSTFLAGS=""
+python3 -m pip install .
+
+for fuzzer in $(find $SRC -name 'fuzz_*.py');do
+    compile_python_fuzzer $fuzzer
+done
diff --git a/projects/orjson/fuzz_orjson.py b/projects/orjson/fuzz_orjson.py
new file mode 100644
index 000000000..60fa90cc8
--- /dev/null
+++ b/projects/orjson/fuzz_orjson.py
@@ -0,0 +1,41 @@
+#!/usr/bin/python3
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+import atheris
+import orjson
+
+
+def TestOneInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+    original = fdp.ConsumeUnicode(sys.maxsize)
+
+    try:
+        orjson_data = orjson.loads(original)
+    except ValueError:
+        return
+
+    encoded = orjson.dumps(orjson_data)
+    del encoded
+
+
+def main():
+    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+    atheris.instrument_all()
+    atheris.Fuzz()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/projects/orjson/project.yaml b/projects/orjson/project.yaml
new file mode 100644
index 000000000..960fee481
--- /dev/null
+++ b/projects/orjson/project.yaml
@@ -0,0 +1,11 @@
+homepage: "https://github.com/ijl/orjson"
+language: python
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address
+  - undefined
+main_repo: "https://github.com/ijl/orjson"
+vendor_ccs:
+ - maxnair.dev@gmail.com
+file_github_issue: true