Peter Tanner (13 September 1914 – 10 December 2002) was a British film editor. After beginning his career editing quota quickies in the 1930s, he then worked on documentaries during the Second World War. He briefly worked with Alfred Hitchcock in 1945, editing footage of the liberated concentration camps. He was later employed by Ealing Studios, working on films such as Kind Hearts and Coronets and The Blue Lamp.

During the mid-1960s he edited a number of episodes of The Avengers television series. He had a lengthy career lasting into the late 1990s.