Surname Petsuwan (Petsuwan 
) , across the world, is a rare cognomen. The cognomen Petsuwan is habitual in Thailand, where it is quite a rare surname, Czechia, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Petsuwan is the forename as well as the last name.
Pa, Supreya, Somchai, Somjate, Ampapan, Audsada, Kitisak, Penwadee, Premjit, Prontip, Rissada, Jansuda, Tanapon, Tiwawan, Natruthai, Nuddamat, Waradon, Yommana, Yuwadee, Mathuros, Sangtawan, Satreerat, Sanchai, Mukdapa, Mawadee, Jumras, Renu, Tong, Manit, Satit, Sujit, Ampon, Aporn, Tanes, Venus, Uthai, Sawitree, Satita, Aditep, Atiwat, Chaiya, Khanti, Panata, Pairoj, Pratum, Prapai, Phison, Jariya, Artorn, and Sajinart