"We owe it to the memories of those that gave their lives in the war and those that came back and helped develop the hospital."
The Governor General, Sir Jerry Mataparae, will officiate the renaming of the hospital at a ceremony on June 11 and unveil a commemoration monument at the main entrance to the hospital.
The Bishops of Waiapu and Palmerston North and the Maori Archbishop will open and rededicate the refurbished chapel.
The hospital was opened in 1927 and the chapel, the original Memorial Entrance Hall to the hospital, opened in 1964.
Work on refurbishing the hospital chapel has started, as has work on developing and publishing a commemorative booklet.