Last name ตรีสุนันท์ (ตรีสุนันท์ 
, Trisununt ) , around the world, is an extremely rare cognomen. The surname ตรีสุนันท์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ตรีสุนันท์ is the forename as well as the last name.