The Iris Society of Australia (ISA) is the peak coordinating body of Regional Iris Societies in Australia.
- Administers Iris registrations
- Publishes a Yearbook
- Coordinates National Awards (Dykes Medal and ISA Medal)
- Maintains register of Garden and Show iris judges
The Executive of the ISA are
President, Michael Barnes
Registrar, Helen Reid
Dykes Medal Coordinator, Michael Barnes
Yearbook Editor, Gillian Serisier
Treasurer, Annette tenBroeke
and President of each Regional Iris Society.