Tonight at the London Palladium is a British television variety show that is hosted from the London Palladium theatre in the West End. Originally produced by ATV for the ITV network from 1955 to 1969, it went by its original name Sunday Night at the London Palladium from 25 September 1955 until the name was changed to The London Palladium Show from 1966 to 2 February 1969.

Variety show, also known as variety arts or variety entertainment, is entertainment made up of a variety of acts including musical performances, sketch comedy, magic, acrobatics, juggling, and ventriloquism. It is normally introduced by a compère or host. The variety format made its way from the Victorian era stage in Britain and America to radio and then television. Variety shows were a staple of English language television from the late 1940s into the 1980s.