OOS

OOS or Oos may refer to:

Geographical names

• Oos, Baden-Württemberg, district in Germany
• Oos (river), a river of Baden-Württemberg, Germany, running through Baden-Baden

Science and industry

• 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

• Oxford Ornithological Society

Publications and media

• ', 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.