Regional Working Groups promote INTOSAI's goals regionally, thus providing members with opportunities of professional and technical cooperation on a regional basis.
The INTOSAI Governing Board has recognized the following seven Regional Working Groups:

• Organization of Latin American and Caribbean Supreme Audit Institutions (OLACEFS), established in 1965;

• African Organization of Supreme Audit Institutions (AFROSAI), established in 1976;

• Arab Organization of Supreme Audit Institutions (ARABOSAI), established in 1976;

• Asian Organization of Supreme Audit Institutions (ASOSAI), established in 1978;

• South Pacific Association of Supreme Audit Institutions (SPASAI), established in 1987;

• Caribbean Organization of Supreme Audit Institutions (CAROSAI), established in 1988;

• European Organization of Supreme Audit Institutions (EUROSAI), established in 1990.