diff --git a/science/Makefile b/science/Makefile
index 7083b53ddb50..000b3baa66c6 100644
--- a/science/Makefile
+++ b/science/Makefile
@@ -218,6 +218,7 @@
     SUBDIR += silo
     SUBDIR += simlib
     SUBDIR += simsmith
+    SUBDIR += spglib
     SUBDIR += step
     SUBDIR += step-kde4
     SUBDIR += svmlight
diff --git a/science/spglib/Makefile b/science/spglib/Makefile
new file mode 100644
index 000000000000..ce13c9c8e2af
--- /dev/null
+++ b/science/spglib/Makefile
@@ -0,0 +1,21 @@
+# $FreeBSD$
+
+PORTNAME=	spglib
+DISTVERSIONPREFIX=	v
+DISTVERSION=	1.10.3
+CATEGORIES=	science
+
+MAINTAINER=	yuri@FreeBSD.org
+COMMENT=	C library for finding and handling crystal symmetries
+
+LICENSE=	BSD3CLAUSE
+LICENSE_FILE=	${WRKSRC}/COPYING
+
+USES=		autoreconf libtool
+USE_GITHUB=	yes
+GH_ACCOUNT=	atztogo
+GNU_CONFIGURE=	yes
+CONFIGURE_ARGS=	--disable-static
+USE_LDCONFIG=	yes
+
+.include <bsd.port.mk>
diff --git a/science/spglib/distinfo b/science/spglib/distinfo
new file mode 100644
index 000000000000..4999db8fd6e3
--- /dev/null
+++ b/science/spglib/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1529084268
+SHA256 (atztogo-spglib-v1.10.3_GH0.tar.gz) = 43776b5fb220b746d53c1aa39d0230f304687ec05984671392bccaf850d9d696
+SIZE (atztogo-spglib-v1.10.3_GH0.tar.gz) = 1949650
diff --git a/science/spglib/pkg-descr b/science/spglib/pkg-descr
new file mode 100644
index 000000000000..434fa2852b04
--- /dev/null
+++ b/science/spglib/pkg-descr
@@ -0,0 +1,11 @@
+Spglib is a library for finding and handling crystal symmetries written in C.
+
+Features:
+* Find symmetry operations
+* Identify space-group type
+* Wyckoff position assignment
+* Refine crystal structure
+* Find a primitive cell
+* Search irreducible k-points
+
+WWW: https://atztogo.github.io/spglib/
diff --git a/science/spglib/pkg-plist b/science/spglib/pkg-plist
new file mode 100644
index 000000000000..3167c7bf1971
--- /dev/null
+++ b/science/spglib/pkg-plist
@@ -0,0 +1,25 @@
+include/spglib/arithmetic.h
+include/spglib/cell.h
+include/spglib/debug.h
+include/spglib/delaunay.h
+include/spglib/determination.h
+include/spglib/hall_symbol.h
+include/spglib/kgrid.h
+include/spglib/kpoint.h
+include/spglib/mathfunc.h
+include/spglib/niggli.h
+include/spglib/overlap.h
+include/spglib/pointgroup.h
+include/spglib/primitive.h
+include/spglib/refinement.h
+include/spglib/site_symmetry.h
+include/spglib/sitesym_database.h
+include/spglib/spacegroup.h
+include/spglib/spg_database.h
+include/spglib/spglib.h
+include/spglib/spin.h
+include/spglib/symmetry.h
+include/spglib/version.h
+lib/libsymspg.so
+lib/libsymspg.so.0
+lib/libsymspg.so.0.0.0