Cognomen Phumjan (Phumjan 
) , all around the world, is a rare surname. The family name Phumjan is characteristic of Thailand, where it is a rare surname, and China, where it is an extremely rare surname.
Supat, Phitaporn, Phenphak, Ratchaya, Laddawan, Tipaporn, Nantawat, Yaowapha, Sittiporn, Suphakrit, Kongpaeng, Khanittha, Phittaporn, Phongthiwa, Jureephon, Phimphitcha, Phawinee, Watcharaporn, Pittaporn, Kongpang, Sujin, Kaisri, Krisri, Ratree, Thanee, Orawan, Uthane, Sirinan, Supapon, Somchit, Khunsri, Kraison, Prasert, Wittaya, Anchalee, Peerawat, and Pratchayathon