Southern Asia

Southern Asia may refer to:


 * Indian Subcontinent, a physiographical region which encompasses the southern part of Asia
 * South Asia, a geopolitical macroregion of the SAARC countries, comprising Afghanistan and the Indian Subcontinent
 * Southern Asia (UN geoscheme), the United Nations geoscheme's definition for a geographical subregion of Asia spanning the Indian Subcontinent and the Iranian Plateau, based on their close linguistic genetic relationships.