- M. Night Shyamalan (6 movies)
- Maclain Nelson (2 movies)
- Maggie Carey (1 movie)
- Makoto Kamiya (1 movie)
- Malcolm D. Lee (2 movies)
- Manny Rodriguez (1 movie)
- Måns Mårlind (1 movie)
- Marc Abraham (1 movie)
- Marc Forster (7 movies)
- Marc Furmie (1 movie)
- Marc Lawrence (3 movies)
- Marc Webb (2 movies)
- Marcel Langenegger (1 movie)
- Marco Schnabel (1 movie)
- Marcus Dunstan (2 movies)
- Marcus Nispel (2 movies)
- Marcus Raboy (1 movie)
- Margaret Whitton (1 movie)
- Marianna Palka (1 movie)
- Mario Van Peebles (1 movie)
- Mark A. Lewis (1 movie)
- Mark Andrews (1 movie)
- Mark DiSalle (1 movie)
- Mark Duplass (2 movies)
- Mark Helfrich (1 movie)
- Mark Herman (1 movie)
- Mark Kassen (1 movie)
- Mark L. Lester (1 movie)
- Mark Levin (1 movie)
- Mark Mylod (1 movie)
- Mark Neveldine (2 movies)
- Mark Osborne (1 movie)
- Mark Steven Johnson (3 movies)
- Mark Tonderai (1 movie)
- Mark Waters (4 movies)
- Markian Saray (1 movie)
- Martha Coolidge (1 movie)
- Martin Brest (1 movie)
- Martin Campbell (3 movies)
- Martin McDonagh (2 movies)
- Martin Scorsese (4 movies)
- Martin Wood (1 movie)
- Masayuki (3 movies)
- Mat Whitecross (1 movie)
- Mathieu Kassovitz (1 movie)
- Matt Drummond (1 movie)
- Matt Harlock (1 movie)
- Matt Johnson (1 movie)
- Matt Reeves (2 movies)
- Matt Ross (1 movie)