Jack (Tupai) Reihana
- Born unknown
- Died unknown
- Last rank Private
- Service number 3418
- Served In 5th Pioneer Battalion, 3rd Infantry Battalion, Australian Imperial Force (AIF), 11th Reinforcements
- Next of Kin Mrs M. Kemara (aunt), Temuka, South Canterbury, New Zealand
- Pre-war occupation Bricklayer
- Enlisted31 August 1915, Australia
- Embarkationaboard HMAT A 14, Euripides, departed 10 May 1915