Family name ยุทธสิงห์ (ยุทธสิงห์ 
, Yuthasing , Yutthasing ) , in the entire world, is a very rare last name. The cognomen ยุทธสิงห์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ยุทธสิงห์ is the forename as well as the last name.