Tonight Starring Steve Allen is a talk show hosted by Steve Allen. It was the first version of what eventually became known as The Tonight Show. Tonight was the first late-night talk show, as well as the first late night television series of any time to achieve long-term success. Allen's run as host of the show lasted for two and a half seasons, beginning in fall 1954 and ending with Allen's dismissal in January 1957.

During its run it originated from the Hudson Theatre in New York City.