| Term | Kanji | Description |
| Naaka Uki | 中受け | Mid Level Block |
| Nafuda | 名札 | Wooden name plate |
| Nafudakake | 名札掛け | Ranking board showing name, rank, and seniority |
| Nagai | 長い | Long/Lengthy ie: Nagai Nekoashi Dachi |
| Nagakama | 長鎌 | Sickle on a staff (Long Kama) |
| Nagamine Shoshin | 長嶺将真 | Founder of Matsubayashi Shorin Ryu, Author (1907-1997) |
| Naginata | 薙刀 | Japanese halberd with a small/medium sword blade attached |
| Naicha | ナイチャ | A person from mainland Japan |
| Naihanchi | 内畔戦 | Kata: Inside Stepping, 内歩進. Ch. Daipochin (逮坡戰). Jp. Tekki (鉄騎) |
| Nakaima Kenchu | 仲井間憲忠 | Son of Nakaima Kenri, early karate pioneer (1856-1953) |
| Nakaima Kenji | 仲井間憲児 | Karateka and sword expert, 5th Soke of Ryueiryu (1934-2022) |
| Nakaima Kenko | 仲井間憲孝 | Organizer of Ryueiryu style, Kobudo expert (1911-1989) |
| Nakaima Kenri | 仲井間憲里 | Aka Nakaima Norisato, early Naha karate pioneer (1819-1879) |
| Nakama Chozo | 名嘉真朝増 | Student of Chibana, had many students (1899-1982) |
| Nakamura Shigeru | 仲村茂 | Founder of Okinawa Kempo (1894-1969) |
| Nakasone Seiyu | 仲宗根正侑 | Tomari-Te Master student of Iha Kotatsu (1895-1983) |
| Nakazato Joen | 仲里常延 | Founder of Shorinjiryu, student of Kyan (1922-2010) |
| Nakazato Shugoro | 仲里周五郎 | Founder of Shorinkan, student of Chibana (1920-2016) |
| Nawa Sojin | 縄槍刃 | Rope dart or rope blade. Chinese: Shéng Biāo / 繩鏢 |
| Nekoashi Dachi | 猫足立ち | Cat Foot Stance |
| Nepai | 二八 | Kata: Chinese; 28. Ch. Èrshíbā (二十八) |
| Nifee Deebiiru | 御拝でーびーる | Thank you (Uchinaguchi) |
| Nigirigame | 握り甕 | Gripping Jars |
| Niseishi | 二十四 | Kata: 24. Japanese: Nijushiho, 24 Steps (二十四歩) Chinese: Èrshísì |
| Nobori Kama | 登り鎌 | Long Hookshaped Kama |
| Nunchaku | 双尺 | Twin Shaku - Equal length flails attached by rope or chain |
