Athletic Clubs

Football, Kendo, Tennis, Soccer, Ski, Cheerleading, Baseball, Men’s Basketball, Men’s Volleyball, badminton, Men's Lacrosse, Women's Lacrosse, Track and Field

Cultural Clubs

Moviemaking Club, Drama Club, Popular Music Club, Tea Ceremony Club, Child Culture Association, Photography Club, Art Club, Law Association

Ad hoc Commitees

Seigakuin University Christian Fellowship (SCF), Seigakuin University Philharmonic Orchestra (SPO), Seigakuin University Choir, Seigakuin University Hand bell Choir, Seigakuin University Volunteer Association (Grace)

Athletic Associate Clubs

Softball Club, Softball Tennis Club, Basketball Club, Tennis Club, Women's Volleyball Club

Culture Associate Clubs

Illustration Club, Kid's English Club, Thai Support Association, Maruhotaru Club, Broadcasting Club