Chaos Theory
- Tahun: 2008
- Negara: United States of America
- Aliran: Komedi, Drama, Percintaan
- Studio: W.I.P., Castle Rock Entertainment, Lone Star Film Group, Land Films Inc.
- Kata kunci: fight, underwear, medical test, groom, list, told in flashback, hole in boat, lab results, running away, sinking boat, new year's resolution, gun store, marital separation, ice rink, betrayal by friend
- Direktur: Marcos Siega
- Pemeran: Ryan Reynolds, Emily Mortimer, Stuart Townsend, Matreya Fedor, Sarah Chalke, Mike Erwin