The Hangover
- Tahun: 2009
- Negara: United States of America
- Genre: Comedy
- Studio: Legendary Pictures, Green Hat Films, Warner Bros. Pictures
- Kata kunci: blackjack, stag night, lost weekend, chapel, hit with tire iron, memory loss, las vegas, drugs, irreverent, absurd, dramatic, hilarious, amused, celebratory, farcical, 宿醉
- Pengarah: Todd Phillips
- Pelakon: Bradley Cooper, Ed Helms, Zach Galifianakis, Justin Bartha, Heather Graham, Sasha Barrese