OIR
OIR stands for:
- Austrian Institute for Spatial Planning
- Online insertion and removal, see Hot Swapping
- Operation Inherent Resolve , US intervention against the Islamic State
- Optical and Infrared Astronomy, a division of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts
- Organization Internationale pour les réfugiés (German: International Refugee Organization ), specialized agency of the United Nations
- Organization Internationale de Radiodiffusion
- Okushiri Airport (IATA code), Japanese airport
Oir stands for:
- Oir (Sélune) , river in France, Normandy, tributary of the Sélune
See also:
- Oldenburg Infantry Regiment No. 91 (OIR 91)
