diff --git a/science/Makefile b/science/Makefile
index d76e4c01424a..44ea5d70e758 100644
--- a/science/Makefile
+++ b/science/Makefile
@@ -14,6 +14,7 @@
     SUBDIR += R-cran-eco
     SUBDIR += R-cran-epicalc
     SUBDIR += R-cran-snow
+    SUBDIR += R-cran-som
     SUBDIR += abinit
     SUBDIR += afni
     SUBDIR += avogadro
diff --git a/science/R-cran-som/Makefile b/science/R-cran-som/Makefile
new file mode 100644
index 000000000000..d403b984af00
--- /dev/null
+++ b/science/R-cran-som/Makefile
@@ -0,0 +1,21 @@
+# New ports collection makefile for:	R-cran-som
+# Date created:		2012-01-04
+# Whom:			TAKATSU Tomonari <tota@FreeBSD.org>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	som
+DISTVERSION=	0.3-5
+CATEGORIES=	science
+DISTNAME=	${PORTNAME}_${DISTVERSION}
+
+MAINTAINER=	tota@FreeBSD.org
+COMMENT=	Self-Organizing Map
+
+LICENSE=	GPLv3
+
+USE_R_MOD=	yes
+R_MOD_AUTOPLIST=	yes
+
+.include <bsd.port.mk>
diff --git a/science/R-cran-som/distinfo b/science/R-cran-som/distinfo
new file mode 100644
index 000000000000..d0a8ce9d532c
--- /dev/null
+++ b/science/R-cran-som/distinfo
@@ -0,0 +1,2 @@
+SHA256 (som_0.3-5.tar.gz) = f7672afaaffcf41a8b2dd50e4c76b3a640ea2ad099f18b5dfcf00389abf6ba07
+SIZE (som_0.3-5.tar.gz) = 248967
diff --git a/science/R-cran-som/pkg-descr b/science/R-cran-som/pkg-descr
new file mode 100644
index 000000000000..007ae9d50971
--- /dev/null
+++ b/science/R-cran-som/pkg-descr
@@ -0,0 +1,3 @@
+Self-Organizing Map (with application in gene clustering)
+
+WWW:	http://cran.r-project.org/web/packages/som/