Orsa
Orsa stands for:
- Orsa ( Arabia), in ancient geography, a mountain in Arabia ( Pliny 6.32 )
- Orsa (municipality ), a municipality in Sweden
- Orsa (Sweden), capital of the homonymous municipality in Sweden
- Orsa class, a class of torpedo boats of the Italian Navy
ORSA is an abbreviation for:
- Officine Realizzazioni Sarde Automobili, a former resident in Sardinia carmaker
- Orbit Reconstruction, Simulation and Analysis, a free software project, see also Orbit @ home
- Own Risk and Solvency Assessment, an instrument of governance and risk management systems of insurance companies
- Oxacillin - resistant staphylococcus aureus, a special strain of bacteria, Staphylococcus aureus see # multidrug resistance
- Operations Research Society of America, now the Institute for Operations Research and the Management Sciences
- Disambiguation
- Abbreviation