Sơn Động is a rural district of Bắc Giang province in the Northeast region of Vietnam.

The district capital lies at An Châu.

The district is divided administratively into two townships, An Châu (district capital) and Tây Yên Tử, and the communes of: Hữu Sản, An Lạc, Vân Sơn, Lệ Viễn, Vĩnh An, Dương Hưu, Long Sơn, An Bá, Yên Định, Tuấn Đạo, Thanh Luận, Cẩm Đàn, Giáo Liêm, Đại Sơn and Phúc Sơn.

121.72 km² in the southern portion of the district has been designated as the Tây Yên Tử Nature Reserve.

This article about a location in Bắc Giang province, Vietnam is a stub.