The International Nippon Budo Association (INBA) is a non-profit organization dedicated to the study, practice, and promotion of Japanese martial arts. Its disciplines include aikibujutsu, jujutsu, kempo, and taijutsu, bringing together practitioners interested in traditional and modern budō. The association shares information about martial arts history, principles, notable teachers, and classical schools, reflecting the cultural context behind its practice.

INBA organizes seminars and budō events in countries including Denmark, Portugal, and Norway. Its activities feature training in areas such as jujutsu, bukijutsu, taijutsu, kempo, and aikibujutsu, alongside seasonal Budo Taikai gatherings. The organization also provides information about its calendar, past and upcoming events, and event booking by email.

For practitioners and organizations interested in joining, INBA outlines membership criteria and offers an online option for renewing existing memberships. Prospective members are invited to introduce themselves and describe their martial arts experience and organization. Through its activities, educational content, and affiliation opportunities, INBA supports engagement with Japanese martial arts across an international community.