Cognomen Pattarajarin (Pattarajarin 
) , all around the world, is an extremely rare family name. The family name Pattarajarin is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Pattarajarin is the forename as well as the last name.
Romsri, Phoomlaochaeng, Pongtattananchai, Suwanmajo, Jitrakthum, Jarnsoongnern, Pamorasamit, Fakphou, Pattarapisu, Junwong, Klunsorn, Suaylam, Suailam, Sudpechroj, Maikami, Reaksri, Roeksri, Pinchai, and Pattarapisut