>
Across the world, Thongchai (ธงชัย , Thongchai , ธงไชย ) is a common predominantly boy's, but very seldom girly first name. The first name Thongchai is characteristic of Thailand, where it is quite a common principally male, but very seldom girly name, Australia, where it is a very rare male name, and the United States. Very seldom, Thongchai is the last name as well as the forename.
Resan, Srisukprasert, Kaewsuwan, Prugsanantanatorn, Phaiklang, Phoonsuptaveegit, Rungphung, Lertpanyaanan, Tangmanee, Treesukon, Wongsomboon, Soontreewong, Chinkatham, Chockthanomsub, Rattanapon, Jirachokpatkul, Jitnawasatian, Thangtongpairoj, Thaithaworn, Tharawanich, Paiboonsawat, Rakkhumkaew, Inthanom, Na Nakorn, Theabthong, Rajsadoonjareon, Saelee, Kolaka, Seemeak, Chabsuwan, Butporm, Karaket, Rupsuai, Disyadej, Junloymek, Homarun, Charoenpanitkul, Mabangyang, Sengnont, Armartpundit, Atavadee, Chaimang, Chookaew, Buathong, Khamaiduang, Khumphai, Paritanung, Pornkitsirisopa, Muangjai, and Chotwattanakankul