The British International Studies Association (BISA) is a learned society that promotes the study of international relations and related subjects through teaching, research, and facilitation of contact between scholars. BISA has an international membership of over 1,500 members, with over 80 countries represented. Chair is Mark Webber (University of Birmingham). He succeeded Richard Whitman (University of Kent), who served as chair until 2015. The national office is based at the University of Birmingham.
BISA is a member society of the Academy of Social Sciences.