| Non-rapid eye movement sleep | Non-return-to-zero | Non-Stop |
| Non-uniform memory access | Nonane | Nonce |
| Noncototient | Nondalton, Alaska | Nonea |
| Nonea caspica | Nong Khai | NONO |
| Nonoai | Nonogram | NoNoNo |
| Nonose | Nonparahalosydna pleiolepis | Nonprofit & Voluntary Sector Quarterly |
| Nonsense suppressor | Nonsense Suppressor | Nonviolence |
| Nook | Nook (第一代) | Nook系列 |
| Nook阅读器系列 | Noomi Rapace | Noona |
| Noonan syndrome | Noonan, North Dakota | Noorvik, Alaska |
| Nootropic | Noovy | NOP |
| Nopcsaspondylus | Noppawan Lertcheewakarn | NOR |
| Nor-adrenaline | Nor-epinephrine | Nora Ephron |
| Nora Roberts | NORAD | NORAD 跟踪圣诞老人 |
| NORAD Santa | NORAD Tracks Santa | NORAD跟踪圣诞老人 |
| NORAD追踪圣诞老人 | Noradrenaline | Norah Jones |
| Norator | Norbert Wiener | Norbornane |
| NORCECA | Norco, California | Nordderby |
| Nordea | Nordestina | Nordic Council |
| Nordic Games | Nordic Games (company) | Nordica |
| Nordica (航空公司) | Nordland | Nordrhein-Westfalen |
| Nordstromia | Nordstromia japonica | Nordstromia semililacina |
| Noreg | Norephedrine | Norepinephrine |
| Norepinephrine pathway | Norepinephrine transporter | NOR逻辑閘 |
| Norfolk Island | Norfolk, VA | Norfolk, Virginia |
| Norfolkia brachylepis | Norfolkia thomasi | Norge |
| Norges Teknisk-Naturvitenskapelige Universitet | Norinco | Noripterus |
| Norma (超市) | Norma Shearer | Norma超市 |
| Normal flora | Normal human body temperature | Normalmap |
| Norman | Norman Reedus | Norman Rockwell |
| Norman Steenrod | Normandie | Normanichthys crockeri |
| Normannognathus wellnhoferi | Normetanephrine | Normichthys herringi |
| Normichthys operosus | Normichthys yahganorum | Normothermia |
| NORN9 | NORN9 命運九重奏 | NOROSHI |
| Norovirus | Norrbottens län | Norris, South Carolina |
| Norrish反应 | Norrland | Norse Air |
| Norsk | Nortel | Nortelândia |
| North Africa | North America | North American Central Time Zone |
| North American Eastern Time Zone | North American Man/Boy Love Association | North American X-15 |
| North Augusta, South Carolina | North Bay Village, Florida | North Borneo |
| North Borneo Chartered Company | North by Northwest | North Carolina |
| North Country | North Courtland, Alabama | North Dakota |
| North equatorial current | North Hodge, Louisiana | North Johns, Alabama |
| North Kalimantan Communist Party | North Lauderdale, Florida | North Miami Beach, Florida |
| North Miami, Florida | North Myrtle Beach, South Carolina | North Palm Beach, Florida |
| North Pole | North Pole, Alaska | North Port, Florida |
| North Quincy High School | North Redington Beach, Florida | North Rhine-Westphalia |
| North River, North Dakota | North Seberang Perai | North Sioux City, South Dakota |
| North Sumatera | North Vancouver | North, South Carolina |
| North-East Penang Island | Northanger Abbey | Northanger Abbey (1986年電影) |
| Northeastern Iberian | Norther | Northern Corridor |
| Northern Counties | Northern Counties Paladin | Northern Counties Palatine |
| Northern Fury FC | Northern hemisphere | Northern Ireland |
| Northern lights | Northern Mariana Islands | NORTHERN MUSIC |
| Northern Province | Northern Rhodesia | Northern Territory |
| Northern United States | Northglenn, Colorado | Northport, Alabama |
| Northrop | Northrop Corporation | Northrop Grumman |
| Northrop P-61 Black Widow | Northumbria | Northville, South Dakota |
| Northwest Airlines | Northwest Territories | Northwestern Polytechnic University |
| Northwestern University | Northwood, North Dakota | Norton |
| Norton 360 | Norton Antivirus | Norton AntiVirus |
| Norton Ghost | Norton Internet Security | Norton Internet Security 2007 |
| Norton Internet Security 2008 | Norton Internet Security 2009 | Norton Internet Security 2010 |
| Norton Partition Magic | Norton PartitionMagic | Norton Security Center |
| Norton Utilities | Norton's theorem | Norton360 |
| Norton來源 | Norvasc | Norwalk virus |
| Norway | Norway, South Carolina | Norwegian language |
| Norwegian Long Haul | Norwegian University of Science and Technology | Norwegian Wood (This Bird Has Flown) |
| Norwood, Colorado | Norwood, Louisiana | Nos. |
| NoScript | Nosema | Nosema cochinchinensis |
| Nosocomial | NoSQL | Nosql |
| Nossa Senhora da Conceição | Nossa Senhora da Expectação (Campo Maior) | Nossa Senhora da Graça (Nisa) |
| Nossa Senhora da Graça de Póvoa e Meadas | Nossa Senhora da Graça dos Degolados | Nossa Senhora das Graças |
| Nossa Senhora das Neves | Nossa Senhora de Fátima (Aveiro) | Nossa Senhora de Nazaré |
| Nossa Senhora do Livramento | Nossa Senhora dos Remédios | NosTale |
| Nostalgia World Online | Nostalrius | Nostoc commune |
| Nostoc commune var. flagelliforme | Not Alone | Not Alone (迷你專輯) |
| Not even wrong | Not eXactly C | NOT for SALE |
| Not Found | NOT FOUND (單曲) | Not Myself Tonight |
| Not So Sorry | Not That Far Away (迷你专辑) | Not yet |
| Notacanthidae | Notacanthiformes | Notacanthoidei |
| Notacanthus abbotti | Notadusta punctata | NOTAM |
| Notamacropus | Notarius armbrusteri | Notarius biffi |
| Notarius bonillai | Notarius cookei | Notarius grandicassis |
| Notarius insculptus | Notarius kessleri | Notarius lentiginosus |
| Notarius neogranatensis | Notarius osculus | Notarius planiceps |
| Notarius troschelii | Notaspidea | Notasulga, Alabama |
| Notch | Notch信号通路 | Notch信號 |
| Note | Note 2 | Note 3 |
| Note 4 | Note 5 | Note 6 |
| Note 7 | Note 8 | Note II |
| Note2 | Notebook | Notebook Computer |
| Notebook PC | Notechis | Notechis scutatum |
| Notechis scutatus | Notepad | NotePad |
| Notepad++ | Notepad++ Portable | Notepad2 |
| Notes of School Idol Days 〜Curtain Call〜 | Notesthes robusta | Nothaphoebe |
| Nothaphoebe cavaleriei | Nothaphoebe fargesii | Nothaphoebe konishii |
| Nothapodytes | Nothapodytes collina | Nothapodytes foetida |
| Nothapodytes nimmoniana | Nothapodytes obscura | Nothapodytes obtusifolia |
| Nothapodytes pittosporoides | Nothapodytes tomentosa | Notharctinae |
