Robert Powell (born 1 June 1944) is an English television and film actor, best known for the title role in Jesus of Nazareth (1977) and as the fictional secret agent Richard Hannay. He is also known for his roles as Mark Williams in the BBC One medical drama Holby City, as David Briggs in the sitcom The Detectives alongside Jasper Carrott, and as Tobias 'Toby' Wren in the "science-fact" drama Doomwatch.

His distinctive voice has become well known in advertisements and documentaries, especially in World War II documentaries including World War II in HD Colour, Hitler's Bodyguard, The Story of the Third Reich and Secrets of World War II.