Last name โสตถินันท์ (โสตถินันท์ 
, Sotananan , Sosuttinun) , throughout the world, is an extremely rare family name. The surname โสตถินันท์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, โสตถินันท์ is the forename as well as the last name.