Cognomen Yuttasak (ยุทธศาสตร์ 
, Yuttasak ) , globally, is a rare surname. The last name Yuttasak is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much more prevalently, Yuttasak is the forename as well as the last name.
Saeko, Udomsak, Sangpithak, Sasisuwan, Suanchowraingern, Chanthop, Chaimana, Pongthai, Ruksasiri, Thongsan, Uttasing, Suksamran, Chaowalit, Phravisai, Lowichakorntikul, Thinglong, Suanchaoraingern, Khaminkhao, Khongkhayen, Ratrangkar, Duangsuwan, Boonprasert, Ocharos, Intarat, Nuchthong, Nasanit, Insot, Saesin, Ponsin, Pinjai, Dachar, Torpun, Songnui, Soramak, Ananrat, Awaylah, Wongcharoen, Changbu, Paikumnam, Pamonata, Pramual, Poltorn, Plaipoo, Plukwongchuen, Jinasit, Triyota, Tiemtad, Tibpalawong, Pansiri, and Piriyasittikan