格拉汉姆·克罗登，Clement Graham Crowden (30 November 1922 – 19 October 2010 aged 87) was a Scottish actor. He was best known for his many appearances in television comedy dramas and films, often playing eccentric "offbeat" scientist, teacher and doctor characters. Crowden died on 19 October 2010 in Edinburgh after a short illness. Crowden is survived by his wife, Phyllida Hewat, whom he married in 1952, a son and three daughters, one of whom, Sarah, followed him into acting.