| N/A | Not Applicable -or- Not Affiliated |
| N/M | Nothing Much |
| N/T | No Text |
| N1 | Nice One |
| N2M | Not To Mention -or- Not Too Much |
| N2MJCHBU | Not Too Much Just Chillin, How aBout yoU |
| NAB | Not A Blonde |
| NADT | Not A Damn Thing |
| NAGB | Nearly Almost A Good Bridge |
| NAK | Nursing At Keyboard |
| NALOPKT | Not A Lot Of People Know That |
| N-A-Y-L | In A While |
| NAZ | Name, Address, Zip (also means Nasdaq) |
| NB4T | Not Before Time |
| NBD | No Big Deal |
| NBFAB | Not Bad For A Beginner |
| NBFABS | Not Bad For A Bot Stopper |
| NBIF | No Basis In Fact |
| NC | Nice Crib |
| NCG | New College Graduate |
| NDN | Indian -or- Native American |
| NE | Anyway |
| NE1 | Anyone |
| NE1ER | Anyone Here |
| Ne2H | Need To Have |
| NESEC | Any Second |
| NEWS | North, East, West, South |
| NFBSK | Not For British School Kids |
| NFC | Not Favorably Considered -or- No F***ing Chance |
| NFF | No F***ing Fair |
| NFG | Not F***ing Good |
| NFI | No F***ing Idea |
| NFW | No F***ing Way -or- No Feasible Way |
| NG | New Game |
| NGB | Nearly Good Bridge |
| NH | Nice Hand |
| NICE | Nonsense In Crappy Existence |
| NIFOC | Nude In Front Of The Computer |
| NIGYYSOB | Now I've Got You, You Son Of a B*tch |
| NIM | No Internal Message |
| NIMBY | Not In My Back Yard |
| NIMJD | Not In My Job Description |
| NIMQ | Not In My Queue |
| NIMY | Never In A Million Years |
| NISM | Need I Say More |
| NIYWFD | Not In Your Wildest F***ing Dreams |
| NLL | Nice Little Lady |
| NM | Never Mind -or- Nothing Much -or- Nice Move |
| NME | Enemy |
| NMH | Not Much Here |
| NMHJC | Not Much Here, Just Chilling |
| NMP | Not My Problem |
| NMTE | Now More Than Ever |
| NMU | Not Much, You? |
| NN | Not Now |
| NNWW | Nudge, Nudge, Wink, Wink |
| NOFI | No OFfence Intended |
| NOS | New Old Stock |
| NOYB | None Of Your Business |
| NP | No Problem -or- Nosy Parents |
| NQOCD | Not Quite Our Class Dear |
| NR | Nice Roll |
| NRG | Energy |
| NRN | No Reply Necessary |
| NS | Nice Set |
| NSA | No Strings Attached |
| NSFW | Not Safe For Work |
| NSS | No Sh** Sherlock |
| NSTLC | Need Some Tender Loving Care |
| NTIMM | Not That It Matters Much |
| NTK | Nice To Know |
| NTTAWWT | Not That There's Anything Wrong With That |
| NTYMI | Now That You Mention It |
| NUB | it stands for: a new person to a site or game |
| NUFF | Enough Said |
| NVNG | Nothing Ventured, Nothing Gained |
| NW | No Way |
| NWAL | Nerd Without A Life |
| NWR | Not Work Related |
| NYC | Not Your Concern |
| NYCFS | New York City Finger Salute |
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