Cognomen โสธรวิทย์ (Sothonwit 
, โสธรวิทย์ ) , in the entire world, is a very rare family name. The cognomen โสธรวิทย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, โสธรวิทย์ is the forename as well as the last name.