From Wikipedia, the free encyclopedia
Orsa or ORSA may refer to:
- Orsa-class torpedo boat, built for the Italian Navy in the 1930s
- Italian training ship Orsa Maggiore (A5323), a contemporary ocean ketch serving as a sail training vessel
- Orsa (moth), a noctuid moth
- Operations Research Society of America
- Own Risk and Solvency Assessment, in EU insurance regulation
- Oxacillin-resistant Staphylococcus aureus
|This disambiguation page lists articles associated with the title Orsa.
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