| Abbreviation | Definition |
|---|---|
| NCBC | New College Boat Club |
| NCBC | Newnham College Boat Club |
| NEBSS | North East Boat Storage and Services |
| NEH | Northeast Harbor (Maine) |
| NGBL | North Georgia Boat Lift |
| NLSS | North Lake Sailing School |
| NRBO | NIMS Rescue Boat Operator |
| NSPS | National Sailing Programs Symposium |
| NTBR | Nehru Trophy Boat Race |
| NUBC | Newcastle University Boat Club |
| NUBC | Nottingham University Boat Club |
| o/b | outboard |
| OCBC | Oklahoma City Boat Club |
| ODOM | One Design One Meter |
| OHBS | Orkney Historic Boat Society |
| OPV | Off-shore Patrol Vessel |
| ORBS | Ocean Recreational Boat Survey |
| OSB | On the Same Boat |
| OSV | Offshore Supply Vessel |
| OUBC | Oxford University Boat Club |