Cognomen Sangnapa (Sangnapa 
) , all around the world, is an extremely rare last name. The cognomen Sangnapa is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Sangnapa is the forename as well as the last name.
Buayam, Kungit, Boonjui, Bunklieang, Kaewsang, Korthong, Jansawak, Tansakul, Thiangpeum, Thongloy, Rangkasiri, Thongbailek, Sriweerawanidchakun, Charearnpong, and Mongkolcharoenmit