Ninh Sơn may refer to several places in Vietnam, including
Ninh Sơn, a commune of Khánh Hòa province Ninh Sơn District, a former rural district of Ninh Thuận Province Ninh Sơn, Ninh Bình, a former ward of Ninh Bình Ninh Sơn, Tây Ninh, a former ward of Tây Ninh Ninh Sơn, Bắc Giang, a former ward of Việt Yên