There are four categories of membership in the IAGA: Regular, Associate, Affiliate and Honorary.

Regular Members: Executive directors or chief executive officers (or equivalent) of national, state, regional, provincial or district amateur golf associations who are responsible for administering the USGA or other recognized official national Handicap System and entrusted with conducting amateur tournaments that produce recognized various champions in the area of their jurisdiction.

Associate Members: Employees of associations which qualify for regular IAGA membership with no limit as to the number of members from any golf association.

Affiliate Members: Full-time employees of national and international golf associations including managers, professionals, superintendents and other golf related professions.

Honorary Members: The IAGA Board of Directors may designate honorary members periodically.