Quatermass and the Pit (US title: Five Million Years to Earth) is a 1967 British science fiction horror film from Hammer Film Productions. It is a sequel to the earlier Hammer films The Quatermass Xperiment and Quatermass 2. Like its predecessors, it is based on a BBC Television serial, in this case Quatermass and the Pit, written by Nigel Kneale. The storyline, largely faithful to the original television production, centres on the discovery of ancient human remains buried at the site of an extension to the London Underground called Hobbs End. More shocking discoveries lead to the involvement of the space scientist Bernard Quatermass.

It was directed by Roy Ward Baker and stars Andrew Keir in the title role as Professor Bernard Quatermass, replacing Brian Donlevy, who played the role in the two earlier films. James Donald, Barbara Shelley and Julian Glover appear in co-starring roles. The film opened in November 1967 to favourable reviews, and remains generally well regarded.