Jason Harris Katz (born 25 July 1969 in Manhattan, New York) is an American voice actor and former TV host.

He was the host of the short-lived Double Dare 2000 on Nickelodeon. He also was a host of Nickelodeon's Big Help on the Road in the late 1990s. He has recently appeared on Codename: Kids Next Door voicing the character Chad Dickson and in a commercial for Olive Garden. In 2002, Harris voiced Bill Dickey in the failed Adult Swim pilot, Welcome to Eltingville. He also did several minor voices in the video game Destroy All Humans! 2, and had a voice-acting role in the video game Turok as Carter.

Since 2003, he has been married to actress Peter Pamela Rose.

He starred in Top Cat: The Movie as the English dubbed voices of Top Cat, Choo-Choo, Brain, Griswald, Strickland and Big Gus.