Cognomen Poramat (ปรมัตถ์ 
, Poramat 
) , in the world, is a very rare last name. The family name Poramat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more prevalently, Poramat is the forename as well as the last name.
Jina, Pitakwong, Raksamut, Rodmanee, Sanitchat, Sunthonlap, Sutthachai, Suttachai, Sutcharit, Chatthani, Boonsanit, Khamchana, Kunthaket, Raksamart, Rotchaiphakon, Jantakien, Thienthong, Seeboonruang, Praditthaen, Pongprapan, Rittikarnchana, Thichangthong, Kucchaka, Kalyawuttipong, Kansuwan, Boonthue, Sopon, Kailo, Viruk, Sukjai, Chusuk, Bunpan, Malilas, Saichoo, Srikhut, Chandam, Rattanathong, Chaisin, Boonpan, Boonmee, Bunthue, Buaubon, Khaisen, Kulsirorat, Navarat, Wanabaworn, Maneewan, Songwaree, Chaisri, and Wattanachote