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