Family name Prombut (Prombut 
) , all over the world, is a rare cognomen. The family name Prombut is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname.
Oi, Somkit, Somjai, Chalao, Bordin, Boolue, Pranee, Preeya, Jakrit, Titapa, Nittra, Manlika, Sarawut, Surasuk, Sudarat, Somporn, Sorawut, Angkana, Anuchit, Adisorn, Chatana, Chaleaw, Somsak, Suphot, Sunisa, Mintra, Sopa, Pran, Prin, Tiwa, Urai, Ubon, Suwit, Seree, Amnat, Audom, Chotika, Aulai, Pipat, Lamun, Tawan, Naris, Naret, Wisit, Wijit, Yupin, Ukrit, Manita, Kamon, and Chuleeya