Liên Sơn may refer to several places in Vietnam, including:
Liên Sơn, Đắk Lắk, a township and capital of Lắk District Liên Sơn, Bắc Giang, a commune of Tân Yên District , a commune of Kim Bảng District , a commune of Lương Sơn District , a commune of Chi Lăng District , a commune of Gia Viễn District