George Watt Fenneman (November 10, 1919 – May 29, 1997) was an American radio and television announcer. Fenneman is best remembered as the show announcer and straight man on Groucho Marx's You Bet Your Life. Marx, said of Fenneman in 1976, "There never was a comedian who was any good unless he had a good straight man, and George was straight on all four sides". Fenneman, born in Peking (Beijing), China, died from respiratory failure in Los Angeles, California, on May 29, 1997, at the age of 77.

In 1941, Fenneman was hired by KSFO (AM) radio for $35 per week. He immediately found himself hosting the show Lunch at the Top of the Mark. The 22-year-old Fenneman's first interview that day was the actor Boris Karloff. In 1942, Fenneman took a job as a radio announcer and actor at KGO (AM), increasing his salary to $55 per week. His first acting role on the station was the early California bandit Joaquin Murrieta in the production Golden Days.

Returning to broadcasting in 1946 following World War II, he moved to Los Angeles. "I figured if you're going to be in this business, you've got to be in southern California".[8] In 1948, the George Fenneman Show was heard weekdays at 4:00 p.m. on KECA (AM) radio in Los Angeles. Fenneman was reported to be "one of the better radio voices". In 1948, Fenneman was an announcer for the Abbott and Costello radio show. He became the announcer on the Coca-Cola Victory Parade of Spotlight Bands, heard on over 168 radio stations on the NBC Blue Network.