The Fifth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Peter Davison.

Peter Malcolm Gordon Moffett, known professionally as Peter Davison, is an English actor with many credits in television dramas and sitcoms. He made his television acting debut in 1975 and became famous in 1978 as Tristan Farnon in the BBC's television adaptation of James Herriot's All Creatures Great and Small stories. He subsequently played the fifth incarnation of the Doctor in Doctor Who from 1981 to 1984.