Thomas "Tom" McGrath (born August 7, 1965) is an American voice actor and animator who co-directed (with Eric Darnell) the 2005 feature Madagascar and its sequel, Madagascar: Escape 2 Africa in 2008. He has also worked as a voice actor on other DreamWorks animated features like Flushed Away in 2006 and Shrek the Third in 2007. He also stepped in on Flushed Away to help make improvements prior to its release.

McGrath's experience in both television and feature animation includes work as an animator on Ralph Bakshi's film Cool World (starring Brad Pitt), storyboard artist and director for the popular series The Ren and Stimpy Show, animator on the Joe Pytka-directed Space Jam (starring Michael Jordan), and storyboard artist on the live-action film Cats & Dogs and worked as storyboard artist and concept artist/prop and set designer for How the Grinch Stole Christmas (directed by Ron Howard).