ORS

The abbreviation ORS stands for:

Old Red Sandstone, a rock formation
OpenRouteService, a website for route calculation from OpenStreetMap data
Operationally Responsive Space, military satellite
Oral rehydration solution ( Oral Rehydration Solution), a drinking solution
DIN 1502- Code of the journal Organization Studies
Orientation framework school quality
Original Radio Service
Orlando Riva Sound, a pop group of the seventies
Osterrath -Realschule, Rheda- Wiedenbrück
Austrian Broadcasting Services, a transmission system operators and broadcasting service
Ovarian Remnant Syndrome