Bob Bergen (born March 8, 1964 in St. Louis, Missouri) is an American voice actor best known for voicing the Looney Tunes character Porky Pig in Tiny Toon Adventures, Space Jam, Looney Tunes: Back in Action and Duck Dodgers as well as his work in various anime.

He is the voice of Cheese and extra characters in the Tinker Bell films, extra characters in Ponyo, Spirited Away, HEX in Disney Universe, Bucky the Squirrel in the Emperor's New Groove franchise, Lanky Schmidt in Monsters, Inc. and additional voices in Lilo & Stitch, Tangled, Wreck-It Ralph and the Mickey Mouse short Get a Horse!. He voiced Bucky Barnes in Avengers Assemble. He also voiced Comet in The Santa Clause 2.