The groups listed here are;
- Iwi recognised by the Crown in the Māori Fisheries Act 2004
- Any other iwi/hapū groups that have been formally recognised by the Crown for historic Treaty settlement purposes
- Most of these recognised iwi/hapū are represented by an Iwi authority for the purposes of the Resource Management Act 1991 (RMA)
- Ngāti Tama
- Ngāti Mutunga
- Te Ātiawa
- Taranaki Iwi
- Ngāti Maru (Te Iwi o Maruwharanui)
- Ngāruahine
- Ngāti Ruanui
- Ngā Rauru Kītahi
- Whanganui Iwi / Te Atihaunui a Pāpārangi
- Ngāti Hāua (Upper Whanganui)
- Te Korowai o Wainuiārua (Central Whanganui)
- Whanganui Land Settlement (Lower Whanganui)
- Ngāti Rangi
- Ngāti Tamakōpiri
- Ngāti Whitikaupeka
- Ngāi Te Ohuake
- Ngāti Hauiti
- Ngā Wairiki Ngāti Apa
