| Abbreviation | Definition |
|---|---|
| NOS | Not On Sportbikes |
| NoseBleedSeats | Very high seats in a sports arena or stadium (known for making your nose bleed because of their elevation) |
| NOSF | Northern Ohio Sports Forum |
| NoSlack | Keeping the Pressure On |
| NOSO | North Olmsted Soccer Organization |
| NP | Number of Pitches |
| NPA | Nosferatu Players Association |
| NPC | National Physique Committee |
| NPC | National Provincial Championship |
| NPC | National Provincial Competition |
| NPC | Natural Posing Character |
| NPC | New Player Character |
| NPC | No Parental Consent |
| NPC | Non Player Controlled |
| NPC | Non Playing Character |
| NPF | National Professional Fastpitch softball league |
| NPF | Non-Player Fights |
| NPH | New Player Helper |
| NPL | National Poker League |
| NPM | No Prize Money |