Surname Pengjan (Pengjan 
) , in all the world, is a rare family name. The last name Pengjan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Pim, Paweena, Jantima, Janjira, Jongrak, Jintana, Tipattra, Narunat, Naruporn, Samerjai, Siriporn, Sureerat, Atipbodee, Benjarat, Kantinan, Panjapol, Phonthip, Janejira, Jarassri, Thumrong, Teerawut, Nattapon, Pachaya, Panjama, Krittin, Kittiya, Ray, Beam, Marut, Sayan, Tawee, Teera, Samorn, Sunisa, Supree, Suporn, Hataikan, Phavida, Danita, Wandee, Wansuk, Sarawut, Supansa, Supolsak, Seepuang, Chanika, Borriharn, Kanchit, Ratree, and Manusapan