| Aikido Yuishinkai | 合 氣 道 唯 心 会 | Association founded by Koretoshi Maruyama (Aikido Yuishinkai International) |  |
| Aikikai | 合 気 会 | Aikido umbrella organization with the headquarter in the Hombu Dojo in Tokyo |  |
| Ki no Kenkyukai | 気 の 研 究 会 | "Association for the research of Ki" | |
| Ki No Kenkyukai Internationale | 気 の 研 究 会 | Organization founded by Kenjiro Yoshigasaki | |
| Ki Society - Shin Shin Toitsu Aikido Kai | 心 身 統 一 合 気 道 会 | Organization of Koichi Tohei | |
| Kinomichi | 氣 之 道 | Organization of Masamichi Noro | |
| Shin Shin Toitsu Do | 心 身 統 一 道 | way of mind and body unification | |
| Takemusu | 武 産 | concept developed by Morihei Ueshiba of how the ultimate martial art should be | |