Cognomen ยศวุฒิ (ยศวุฒิ 
, Yotawut , Yotwut ) , around the globe, is an extremely rare family name. The family name ยศวุฒิ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ยศวุฒิ is the forename as well as the last name.