Bugs Bunny: Lost in Time is a 1999 platform video game developed by Behaviour Interactive, published by Infogrames, and released for the PlayStation and Windows. It is based on Bugs Bunny and other Looney Tunes characters by Warner Bros. Entertainment. The game follows the titular character, who finds himself in a time slip and is tasked with gathering clocks in order to return to the present.

An indirect sequel, Bugs Bunny & Taz: Time Busters was released for the same platforms in November of the following year.