福山县（越南语：Phước Sơn／福山县），是越南广南省的一个县，矿产丰富。1968年越南战争期间这里曾是主战场。

Phước Sơn ( listen) is a rural district (huyện) of Quảng Nam Province in the South Central Coast region of Vietnam. As of 2003 the district had a population of . The district covers an area of 1,141 km (441 sq mi). The district capital lies at Khâm Đức.