The Bujinkan organization incorporates the teachings of nine martial arts lineages known as Ryu or ryūha (schools)
- Togakure Ryū Ninpō Taijutsu (戸隠流忍法体術)
- Gyokko Ryū Kosshijutsu (玉虎流骨指術)
- Kuki Shinden Ryū Happō Bikenjutsu (九鬼神伝流八法秘剣術)
- Koto Ryū Koppōjutsu (虎倒流骨法術)
- Shinden Fudo Ryū Dakentaijutsu (神伝不動流打拳体術)
- Takagi Yoshin Ryū Jūtaijutsu (高木揚心流柔体術)
- Gikan Ryū Koppōjutsu (義鑑流骨法術)
- Gyokushin Ryū Ninpō (玉心流忍法)
- Kumogakure Ryū Ninpō (雲隠流忍法)