| NeoXens 2195177 | an individual | 9 Electronics42 Science | Pending | 2022 |
| NUSENS 1964454 | NUSENS NICHE CONTRACTING SERVICES INC. | 37 Construction42 Science | Pending | 2019 |
| NEWSCIENCE 0903019 | THE CENTENNIAL CENTRE OF SCIENCE AND TECHNOLOGY, BEING AN AGENCY OF HER MAJESTY THE QUEEN IN RIGHT OF ONTARIO AS REPRESENTED BY THE MINISTER OF CITIZENSHIP AND CULTURE | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1987 |
| NEXANS 1092815 · TMA598122 · design | an individual | 6 Metal9 Electronics16 Paper | Registered | 2003 |
| NEXANS 1085624 · TMA593963 | an individual | 6 Metal9 Electronics16 Paper | Registered | 2003 |
| NUSCIENCE 1557499 · TMA855416 | an individual | 5 Pharmaceuticals31 Fresh | Registered | 2013 |
| NKNASA 2281019 · TMA1281562 · design | NKNASA TECHNOLOGY LIMITED | 9 Electronics10 Medical35 Advertising | Registered | 2025 |
| Noshinku 2207357 · TMA1280837 | NOSHINKU, INC. | 5 Pharmaceuticals | Registered | 2025 |
| NIZJUNK 2081551 · TMA1165997 · design | an individual | 14 Jewellery16 Paper25 Clothing+1 | Registered | 2023 |
| Nugencare 2032594 · TMA1136554 | Nanz Life Science Inc. | 5 Pharmaceuticals | Registered | 2022 |
| Nisshinkai 2032349 · TMA1152834 | Nihon Shinreigaku Kenkyukai,Religious Corporation | 9 Electronics16 Paper41 Education | Registered | 2022 |
| NGINX 2024176 · TMA1115899 · design | F5, Inc. | 9 Electronics | Registered | 2021 |
| NEOSYNC 2020167 · TMA1202413 | School Specialty, LLC | 20 Furniture | Registered | 2023 |
| NEOSENSORY 2006456 · TMA1146547 | NeoSensory, Inc. | 9 Electronics | Registered | 2022 |
| NOISEMAKERS 1994676 · TMA1137268 | L'OREAL | 3 Cosmetics | Registered | 2022 |
| nkomax 1992765 · TMA1142467 | NKOMAX CO. LIMITED | 9 Electronics | Registered | 2022 |
| NegoNext 1966214 · TMA1146294 | an individual | 35 Advertising45 Legal | Registered | 2022 |
| NEOSMUK 1950594 · TMA1131427 · design | Ningboshi Zhenhai Jida Magnetic Industry Co. Ltd. | 9 Electronics | Registered | 2022 |
| NEXENSOS 1944791 · TMA1212631 | Yageo Nexensos GmbH | 9 Electronics34 Tobacco | Registered | 2023 |
| NOGGINSTIK 1897642 · TMA1072201 | SMARTNOGGIN, INC. | 28 Toys | Registered | 2020 |
| NOSEMAGIK 1879170 · TMA1067440 | Muttluks Inc. | 3 Cosmetics | Registered | 2019 |
| NSMAX 1876219 · TMA1065931 | Nippon Steel Corporation | 6 Metal | Registered | 2019 |
| NEOGENCE 1869034 · TMA1035460 | GETTINGPOINTS BIOTECHNOLOGY INC. | 3 Cosmetics10 Medical35 Advertising | Registered | 2019 |
| NGINX 1868715 · TMA1086551 | F5 Networks, Inc. | 9 Electronics42 Science | Registered | 2020 |
| NUGENZ 1860973 · TMA1081635 | GLAXO GROUP LIMITED | 5 Pharmaceuticals44 Medical | Registered | 2020 |