The Quatermass Xperiment
- Tahun: 1955
- Negara: United Kingdom
- Aliran: Cerita Fiksi, Kengerian, Misteri
- Studio: Hammer Film Productions, Exclusive Films
- Kata kunci: london, england, transformation, alien life-form, rocket, rocket crash, escaped patient, hospital, space exploration, alien organism, westminster abbey, cactus
- Direktur: Val Guest
- Pemeran: Brian Donlevy, Jack Warner, Richard Wordsworth, Margia Dean, Thora Hird, Gordon Jackson