Michael McCullers (born 1971) is an American comedy film screenwriter.
A native of Indian Springs Village, Alabama, he attended Indian Springs School, a private high school just south of Birmingham, Alabama.  McCullers is a former writer on Saturday Night Live and is best known for co-writing the script for two Austin Powers movies, Austin Powers: The Spy Who Shagged Me and Austin Powers in Goldmember with Mike Myers. He is the writer and director of the 2008 comedy Baby Mama starring Tina Fey and Amy Poehler.  He lives in Los Angeles with his wife and four children.