- Niklaus Emil Wirth
- Nikola Tesla
- Nikolay Brusentsov
- Nikon
- Niksoft Systems Corporation
- Nils Aall Barricelli
- Nils John Nilsson
- NIMBL
- Nimble
- Nimbo Technologies, Inc.
- Nimbula
- Nimbus Software Ltd
- Nimbuzz
- Nimbuzz
- Nimrod
- Nimsoft, Inc.
- Nine Technology
- Nintendo
- Nintendo 64
- Nintendo Color TV Game Block Kuzushi
- Nintendo Color TV Game Racing 112
- Nintendo Color TV-Game 15
- Nintendo Color TV-Game 6
- Nintendo Computer TV Game
- Nintendo Entertainment System
- Nintendo Family Computer Keyboard
- Nintendo Game Boy
- Nintendo Game Boy Color
- Nintendo Game Boy Light
- Nintendo Game Boy Pocket
- Nintendo Pokémon Pikachu
- Nintendo Pokémon Pikachu 2 GS
- Nintendo Satellaview
- Nintendo Virtual Boy
- NIPO Software
- Nippon Computer Dynamics Co Ltd
- Niqotin
- NirSoft Freeware
- Nirvanix
- NIS Solutions
- Nisus Software
- Nisus Writer
- Nisus Writer
- Nitor Infotech Private Limited
- Nitro
- Nitro PDF Professional (32-bit)
- Nitro PDF Software
- NitroSecurity
- NITS Solutions
- Niu Solutions Holdings Limited.
- Nival
- Nivo Slider
- Nixdorf Computer
- Nixdorf PC 05
- Nixsol
- NLayers
- NLET School
- NM-5020 Piezoelectric Dot/Serial Printer
- NMR Consulting
- No-IP
- Noank Media
- Noble Systems Corporation
- Noblex Argentina Micro 14
- Noblex Argentina SA
- Nobuo Mii
- Noctua
- NodeOne
- Noetix
- Nogacom Ltd.
- Nokia
- Nokia 10
- Nokia 100
- Nokia 1000 (TACS)
- Nokia 101
- Nokia 1011
- Nokia 104
- Nokia 105
- Nokia 107
- Nokia 116
- Nokia 121
- Nokia 130
- Nokia 150
- Nokia 1600 II
- Nokia 1600i
- Nokia 1610
- Nokia 1611
- Nokia 1620 E-Plus
- Nokia 1620 Energy
- Nokia 1630
- Nokia 1631
- Nokia 180
- Nokia 191
- Nokia 2010
- Nokia 2010i
- Nokia 203
- Nokia 2040
- Nokia 2042
- Nokia 2080
- Nokia 211