| Acronym | Definition |
|---|
| CNSM | College of Natural Science and Mathematics (University of Alaska Fairbanks) |
| CNSM | Club Nautique Sainte-Maxime (French: Sainte-Maxime Yacht Club; Sainte-Maxime, France) |
| CNSM | Circolo Nautico Porto Santa Margherita (Italian: Santa Margherita Port Nautical Club; Caorle, Italy) |
| CNSM | Central Nervous System Monitoring (astronaut health examination) |
| CNSM | Center for Nonprofit Strategy and Management (School of Public Affairs; Baruch College; New York, NY) |
| CNSM | Chicago North Shore and Milwaukee railroad |
| CNSM | Center for Nanospinics of Spintronic Materials (Korea Advanced institute of Science and Technology) |