Last name Vitthaya (Vitthaya 
) , globally, is an extremely rare cognomen. The surname Vitthaya is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Vitthaya is the forename as well as the last name.
Sik, Yiamsudhisopon, Chariangsakdawong, Chareangsakdawong, Boontawivat, Khaowkham, Poomipakorn, Phetphoophan, Luewanitwong, Vongkaew, Nitsawang, Shawancharoenchai, Chauykamchoo, Kittiphanh, Phummipakon, Wongsuparb, Saengpradub, Suebsaitham, Sripasertpap, Weeraphalakorn, Eakkatat, Ngamwong, Thongsuk, Inala, Santia, Samart, Sompob, Sodsee, Amnuai, Golaga, Eh Sik, Matmuang, Borrivong, Kijvattanaboon, Homepean, Opaspong, Wannaro, Morawong, Senachai, Chumphol, Khaokham, Khongvan, Rattanasupa, and Phancharoensinn