diff --git a/devel/py-mashumaro/Makefile b/devel/py-mashumaro/Makefile
new file mode 100644
index 000000000000..cab97f35a499
--- /dev/null
+++ b/devel/py-mashumaro/Makefile
@@ -0,0 +1,18 @@
+PORTNAME=	mashumaro
+PORTVERSION=	3.9
+CATEGORIES=	devel python
+MASTER_SITES=	PYPI
+PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+
+MAINTAINER=	pat@patmaddox.com
+COMMENT=	Fast serialization library on top of dataclasses
+WWW=		https://github.com/Fatal1ty/mashumaro
+
+LICENSE=	APACHE20
+
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}typing-extensions>=4.1.0:devel/py-typing-extensions@${PY_FLAVOR}
+
+USES=		python
+USE_PYTHON=	autoplist concurrent distutils
+
+.include <bsd.port.mk>
diff --git a/devel/py-mashumaro/distinfo b/devel/py-mashumaro/distinfo
new file mode 100644
index 000000000000..b48aaa96878c
--- /dev/null
+++ b/devel/py-mashumaro/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1691525565
+SHA256 (mashumaro-3.9.tar.gz) = c179f3f29f7b88acc9472427ce9fc673072a04b3888ce4bd1cac94c266c8e587
+SIZE (mashumaro-3.9.tar.gz) = 106417
diff --git a/devel/py-mashumaro/pkg-descr b/devel/py-mashumaro/pkg-descr
new file mode 100644
index 000000000000..87cc263dff43
--- /dev/null
+++ b/devel/py-mashumaro/pkg-descr
@@ -0,0 +1,13 @@
+When using dataclasses, you often need to dump and load objects based on the
+schema you have. Mashumaro not only lets you save and load things in different
+ways, but it also does it super quick.
+
+Key features:
+
+- One of the fastest libraries
+- Mature and time-tested
+- Easy to use out of the box
+- Highly customizable
+- Built-in support for JSON, YAML, MessagePack, TOML
+- Built-in support for almost all Python types including typing-extensions
+- JSON Schema generation