George Gertan Klauber (5 March 1932 – 1 August 2008) was a Czech-born British actor, known for playing various character parts in films and television programmes, particularly the Carry On comedies. Of Sudeten German and Jewish descent, Klauber was born in Czechoslovakia in 1932, and moved to the United Kingdom prior to the outbreak of World War II. He studied drama at the Birmingham School of Acting (now the Royal Birmingham Conservatoire).

He appeared in numerous television productions, often playing minor villains, including episodes of The Saint, The Professionals, Danger Man, The Avengers, twice in Doctor Who as The Galley Master in The Romans and as Ola in The Macra Terror and as mad king George III in Blackadder the Third. He appeared in the TV musical Pickwick for the BBC in 1969. He also played a servile yet pompous waiter in one episode, "The Old Magic", of Whatever Happened to the Likely Lads?