Robert Fredrick "Rob" Paulsen III (born March 11, 1956), sometimes credited as Rob Paulson, is an American voice actor, best known as the voice of Raphael in the 1987 animated series Teenage Mutant Ninja Turtles, Yakko Warner and Dr. Otto Scratchansniff in Animaniacs, Pinky in Pinky and the Brain and Animaniacs, Rev Runner in Loonatics Unleashed, and Throttle in the 1990s and 2006 versions of Biker Mice from Mars. His role as Yakko earned him a Daytime Emmy Award for Outstanding Performer in an Animated Program; he received a second for his portrayal of Pinky.

In total, Paulsen has voiced over 250 different animated characters and appeared in more than 1,000 commercials. He continues to play supporting roles in dozens of cartoons, as well as secondary characters in animated films.