Diving tenders of the Royal New Zealand Navy
Diving tenders of the Royal New Zealand Navy from its formation on 1 October 1941 to the present. There have been three diving tenders and they have all had the same name. A fourth diving tender also with the same name is scheduled for commissioning in 2019.
| Name | Dates | Notes |
| Manawanui i | 1953-1978 | |
| Manawanui ii | 1979-1988 | In 1988 was renamed Kahu and recommissioned as a training boat and backup diving tender. |
| Manawanui iii | 1988-2018 | |
| Manawanui iv | 2019- | Scheduled for commissioning in 2019. Will function also as a hydrographic survey ship. |
Manawanui is a Māori word meaning "to be brave or steadfast".