Mark Hentemann is an American animation writer. Hentemann is most notably known for writing several episodes of the animated series Family Guy. In addition, Hentemann has also provided voices for many minor characters on Family Guy, including Holden Caulfield and Opie. For many seasons, Hetemann and Steve Callaghan served as showrunners as Family Guy. Following Richard Appel's return, he and Callaghan will remain as executive producers.

Hentemann has also written for Late Show with David Letterman.

Episodes written for Family Guy:

• "The Kiss Seen Around the World"
• "Stuck Together, Torn Apart"
• "Brian the Bachelor"
• "Jungle Love"
• "Stewie Loves Lois"
• "The Tan Aquatic with Steve Zissou"
• "Meet the Quagmires"
• "Baby Not On Board"
• "Family Goy"
• "The Splendid Source"
• "Back to the Pilot"
• "Amish Guy"
• "Yug Ylimaf"