The surname Scales has at least two origins:
a variant spelling of the surname Scholessomeone from the manor of Scales, NorfolkPeople with the surname Scales include:
Baron Scales, a title in the Peerage of England, including a list of people named de ScalesAlfred Moore Scales (1827-1892), Governor of North Carolina and Confederate Army general during the American Civil WarDwight Scales (born 1953), former National Football League wide receiverGeorge Scales (1900-1976), American baseball player and manager in the Negro LeaguesHarvey Scales, American R&B singer, songwriter, and producerJohn Scales (born 1966), English former footballerJohn N. Scales (born 1933 or 1934), American former Pennsylvania state senatorJunius Scales (1920–2002), a leader of the Communist Party of the United States of AmericaPatrick Scales (American football) (born 1988), American football playerPrunella Scales (born 1932), English actor best known for the television series Fawlty TowersRobert H. Scales (born 1944), retired US Army major general