diff --git a/projects/idna/Dockerfile b/projects/idna/Dockerfile
new file mode 100644
index 000000000..e79870b66
--- /dev/null
+++ b/projects/idna/Dockerfile
@@ -0,0 +1,21 @@
+# 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 git clone --depth 1 https://github.com/kjd/idna idna
+WORKDIR idna
+COPY build.sh *.py $SRC/
diff --git a/projects/idna/build.sh b/projects/idna/build.sh
new file mode 100755
index 000000000..1974eb7eb
--- /dev/null
+++ b/projects/idna/build.sh
@@ -0,0 +1,21 @@
+#!/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.
+#
+################################################################################
+
+pip3 install .
+for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
+  compile_python_fuzzer $fuzzer
+done
diff --git a/projects/idna/fuzz_encode_decode.py b/projects/idna/fuzz_encode_decode.py
new file mode 100644
index 000000000..aedc126b9
--- /dev/null
+++ b/projects/idna/fuzz_encode_decode.py
@@ -0,0 +1,44 @@
+#!/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 os
+import sys
+import atheris
+
+import idna
+
+
+def TestOneInput(data):
+    """Fuzz encode and decode"""
+    fdp = atheris.FuzzedDataProvider(data)
+    try:
+        idna.encode(fdp.ConsumeString(1024))
+    except idna.IDNAError:
+        pass
+    
+    try:
+        idna.decode(fdp.ConsumeString(1024))
+    except idna.IDNAError:
+        pass
+
+
+def main():
+    atheris.instrument_all()
+    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+    atheris.Fuzz()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/projects/idna/project.yaml b/projects/idna/project.yaml
new file mode 100644
index 000000000..ec226c79e
--- /dev/null
+++ b/projects/idna/project.yaml
@@ -0,0 +1,11 @@
+homepage: "https://github.com/kjd/idna"
+language: python
+main_repo: "https://github.com/kjd/idna"
+fuzzing_engines:
+- libfuzzer
+sanitizers:
+- address
+- undefined
+vendor_ccs:
+- david@adalogics.com
+- adam@adalogics.com