OOS or Oos may refer to:
Geographical names
edit- Oos, Baden-Württemberg, district in Germany
- Oos (river), a river of Baden-Württemberg, Germany, running through Baden-Baden
Science and industry
edit- Otdel Opytnogo Samolyetostroeniya (Russian) - a section for experimental aircraft construction and maker of the OOS Aviatourist
- Object-oriented scanning, a measurement method
- Occupational overuse syndrome, a human disorder
- Out Of Sample, testing performed to validate results in an experiment
- Out Of Scope, project management
- Out of specification
- Out of Office Soon
- Out of Support
Publications and media
edit- The Legend of Zelda: Oracle of Seasons, a video game
- Out of Sync (book), a 2007 autobiography of Lance Bass
- Origin of Symmetry, a 2001 album by Muse
- Out of Sight, a 1998 movie with Jennifer Lopez and George Clooney
- OxygenOS, version of the Android mobile operating system developed by Chinese smartphone manufacturer OnePlus.
Military
- Out Of Service
- Out Of State (Student)
- Out Of Stock or Stockout (sales)
- Order Of Shadow (Community)