Family name Thasanai (Thasanai 
) , throughout the world, is an extremely rare last name. Much more prevalently, Thasanai is the forename as well as the last name.
Jitma, Navakitpituk, Chunchuenjit, Mahavongtrakul, Lekprasan, Pringraksa, Prajanuraks, Kularbkaew, Kaewsomsee, Chuncheunjit, Yodmuang, Prathumthong, Wilaijit, Khamngam, Boonpeng, Sangthai, Nunthip, Tanarat, Dorktery, Malarat, Wessuwan, Pumrit, Takan, Thonglor, and Roongruangphol