Surname Chatnapha (Chatnapha 
) , around the world, is an extremely rare cognomen. The family name Chatnapha is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Chatnapha is the forename as well as the last name.
Sombun, Bunnag, Otoole, Hommali, Insuwan, Wangkam, Yamnatr, Phansing, Angsuchonsin, Champahom, Boonwattana, Jantarapea, and Kittirattanapaiboon