The International Softball Federation (ISF) is the governing body of softball internationally as recognized by the International Olympic Committee (IOC) and the General Association of International Sports Federations (GAISF).

The ISF organizes and conducts world championship competition in women’s and men’s fast pitch, junior women’s and men’s fast pitch, women’s, men’s and coed slow pitch and women’s and men’s modified pitch. The ISF sanctions regional championships and provides technical support to Regional (Multi-Sport) Games. Additionally the ISF qualifies teams for Olympic softball competition in coordination with the IOC. The ISF provides the official playing rules for international competition including but not limited to; Olympic Games, World Championships, Regional Championships, Regional Games and other sanctioned competitions.

The ISF affiliates national associations/federations as members of the ISF and conducts a biennial Congress for its affiliates. The ISF is non-profit corporation incorporated in the United States of America.

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