Family name Pumsuwan (Pumsuwan 
) , throughout the world, is a rare cognomen. The family name Pumsuwan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Krit, Kedkanok, Kirdsada, Krittaya, Kwanchai, Piyanuch, Rapeepan, Dongporn, Tanakorn, Teerasak, Nuttipon, Varaporn, Supawadee, Kanokpong, Kiettisak, Patcharin, Pornlapas, Piriyapan, Pitchaporn, Phatcharin, Korakrit, Napatsakorn, Kanokorn, Apichaya, Oran, Chana, Veera, Somkid, Pairin, Wasana, Sunsuda, Sukanya, Suparuk, Athisit, Attapon, Rachada, Tachpapra, Orathai, Ubolsiri, Manathep, Sansanee, Sahaporn, Supaporn, Chantima, and Rattanaporn