Surname Sutthisak (Sutthisak 
) , throughout the world, is a rare family name. The surname Sutthisak is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, Sutthisak is the forename as well as the last name.
Karo, Prompoon, Waesohoh, Wongvathana, Sukhamsri, Sukkharom, Sukbunpant, Kerdpholcharoenying, Phuthararak, Thongkaew, Thongniam, Nonkhamwong, Iamdechasak, Siriyosthumrong, Sitthisarn, Chakhamrod, Chayutsahakij, Thawachalee, Nammongkol, Sutthiprapa, Pongprasert, Thongkrajang, Keawtong, Boonkanha, Chiwchan, Saichuea, Monsak, Suksai, Sutthi, Prasan, Prapduang, Tepsak, Ninrod, Fugloueng, Yodmek, Yotmek, Wongsriwattanakul, Manodam, Srikham, Chaidet, Chumnum, Phiraksa, Phetkul, Tonphuban, Ounbutra, Witoonanan, Wornmuean, Sangngam, Sueanin, and Phongthanapanich