Michael Henry Pertwee (24 April 1916, Kensington, London^[1] – 17 April 1991, Camden, London)^[2] was an English playwright and screenwriter. Among his credits were episodes of The Saint, Danger Man, Alfred Hitchcock Presents, B-And-B, Ladies Who Do, Hong Kong and many other films and TV series. For the stage he co-wrote the 1938 thriller Death on the Table.

He was the brother of Jon Pertwee, the son of Roland Pertwee, the screenwriter and actor of the 1910s–1950s, a distant cousin of Bill Pertwee, the character actor, and the uncle of actor Sean Pertwee.

Among the novelisations of Michael Pertwee screenplays, each released shortly before its respective film, are:

• Salt and Pepper by Alex Austin
• One More Time by Michael Avallone
• Strange Bedfellows by Marvin H. Albert.

Each of the novelists was a notable author of the era.^{[citation needed]}