Karl Sigurd Tore "Sigge" Fürst (3 November 1905 – 11 June 1984) was a Swedish film actor who appeared in more than 130 films. He was born in , Sweden and died there of lung cancer in 1984.
As well as appearing in films, Fürst made several radio shows, like the long-running Frukostklubben (the breakfast club) broadcast on radio on Saturday mornings from 1946-1949 and 1955-1978 (from 1968 also on Sundays), with invited guests.