Greg Cannom (1951 – May 9, 2025) was an American special make-up effects artist. He is the recipient of several accolades, including five Academy Awards and two Saturn Awards, and has been nominated for four Primetime Emmy Awards and four BAFTA Awards.

Cannom is best known for his work on a variety of films, including Hook (1991), Bram Stoker's Dracula (1992), Mrs. Doubtfire (1993), The Mask (1994), Titanic (1997), Bicentennial Man (1999), Hannibal (2001), The Passion of the Christ (2004), The Curious Case of Benjamin Button (2008) and Vice (2018).