Family name Yutthaya (Yutthaya 
) , in the entire world, is an extremely rare surname. Predominantly, Yutthaya is the forename as well as the last name.
Yuyen, Patthanadech, Damphathik, Petcharwut, Chaichana, Srithepphabut, Sawanchan, Mulmuangsaen, Danphithak, Khongying, Chanjukorn, Mulmuangsean, Mulmulmuangsaen, Ounklin, Nunanan, Thamrupa, Kuemeng, Kunthon, Nanthanananate, and Nanthananate