Matt Johnson (born December 1974) is an American actor and comedian best known for his roles on the HBO animated television series, The Life & Times of Tim.

Johnson grew up in Ukiah, California, and graduated from the University of Oregon. He voiced the characters Rodney, Stan, and Amy's Dad on the HBO animated series The Life & Times of Tim. He began his career as a stand-up comedian and has voiced hundreds of television and radio commercials. In front of the camera, he has appeared in a recurring role on the NBC soap Passions and a co-starring role on the Fox late night comedy, Talkshow with Spike Feresten.