Olli Markenros (b. 1961) is a Swedish actor who dubbed Dr. Phil Van Neuter in Mupparna i rymden (Muppets from Space).
Markenros dubbed Hamm in the Toy Story movies and Elmer Fudd in various Looney Tunes projects (including Looney Tunes: Back in Action), as well as Him and other villains on The Powerpuff Girls. In the nineties, he was the Swedish voice of Winnie the Pooh. On-camera, he played a lab tech in two episodes of the Swedish detective series Wallander.