diff --git a/astro/liberfa/Makefile b/astro/liberfa/Makefile
new file mode 100644
index 00000000000..c96ce1a6bbf
--- /dev/null
+++ b/astro/liberfa/Makefile
@@ -0,0 +1,28 @@
+COMMENT=	Essential Routines for Fundamental Astronomy
+
+V=		2.0.1
+DISTNAME=	erfa-$V
+PKGNAME=	liberfa-$V
+EXTRACT_SUFX=	.tar.xz
+
+SHARED_LIBS += erfa                      0.0 # 1.8.1
+
+CATEGORIES=	astro
+
+HOMEPAGE=	https://github.com/liberfa/erfa
+
+# BSD
+PERMIT_PACKAGE=	Yes
+
+WANTLIB=	m
+
+SITES=		https://github.com/liberfa/erfa/releases/download/v$V/
+
+MODULES=	devel/meson
+
+post-install:
+	${INSTALL_DATA_DIR} ${PREFIX}/share/doc/liberfa
+	${INSTALL_DATA} ${WRKSRC}/{INFO,README*,LICENSE} \
+		${PREFIX}/share/doc/liberfa
+
+.include <bsd.port.mk>
diff --git a/astro/liberfa/distinfo b/astro/liberfa/distinfo
new file mode 100644
index 00000000000..9e8c54fb0f2
--- /dev/null
+++ b/astro/liberfa/distinfo
@@ -0,0 +1,2 @@
+SHA256 (erfa-2.0.1.tar.xz) = RREfCt3272k0Wq8JO9BUcFtBrC23VB3T8OEFNiyOIOQ=
+SIZE (erfa-2.0.1.tar.xz) = 216028
diff --git a/astro/liberfa/pkg/DESCR b/astro/liberfa/pkg/DESCR
new file mode 100644
index 00000000000..ecda9c93a0f
--- /dev/null
+++ b/astro/liberfa/pkg/DESCR
@@ -0,0 +1,11 @@
+ERFA (Essential Routines for Fundamental Astronomy) is a C library
+containing key algorithms for astronomy, and is based on the SOFA
+library published by the International Astronomical Union (IAU),
+https://www.iausofa.org/
+
+ERFA is intended to replicate the functionality of SOFA (aside from
+possible bugfixes in ERFA that have not yet been included in SOFA), but
+is licensed under a three-clause BSD license to enable its compatibility
+with a wide range of open source licenses. Permission for this release
+has been obtained from the SOFA board, and is available in the LICENSE
+file included in this source distribution.
diff --git a/astro/liberfa/pkg/PLIST b/astro/liberfa/pkg/PLIST
new file mode 100644
index 00000000000..0bb53738b09
--- /dev/null
+++ b/astro/liberfa/pkg/PLIST
@@ -0,0 +1,10 @@
+include/erfa.h
+include/erfadatextra.h
+include/erfaextra.h
+include/erfam.h
+@lib lib/liberfa.so.${LIBerfa_VERSION}
+lib/pkgconfig/erfa.pc
+share/doc/liberfa/
+share/doc/liberfa/INFO
+share/doc/liberfa/LICENSE
+share/doc/liberfa/README.rst