Yuri Lowenthal (born March 5, 1971) is a voice actor for both video games and anime. He has an extensive collection of roles in anime and cartoons. His most notable roles are Sasuke Uchiha in Naruto, Suzaku Kururugi in Code Geass, Simon in Gurren Lagaan, and Jinnosuke in Afro Samurai. His most current role is Ben Tennyson from Ben 10: Ultimate Alien, and Ben 10: Alien Force. He has also done many voices for Ben 10 video games.

Lowenthal is also an author, writing Voice-Over Voice Actor: What It's Like Behind the Mic, and co-authoring Tough City.

Yuri Lowenthal is written down for playing Killowat (even though Killowat has never spoken in the cartoon). As such, he has no roles in the Teen Titans cartoon, however he has a couple roles in a similar cartoon, Young Justice. In this cartoon, Yuri voices Garth, Icicle Jr., Tommy Terror, and Lagoon Boy.