Surname สัญญวุฒิ (สัญญวุฒิ 
, Sanyawut , Sanyawuth ) , globally, is a very rare family name. The last name สัญญวุฒิ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, สัญญวุฒิ is the forename as well as the last name.