John Katai
- Born 20 September 1895, Colac Bay, Southland, New Zealand
- Died details of death unknown
- Last rank Private
- Service number 92880
- Next of Kin Mrs A. Kaitai (mother), Colac Bay, Southland
- Pre-war occupation Sawmiller for Marlborough Timber Co.
- ReligionChurch of England (Anglican)
- Enlisted25 September 1918
- DischargedGranted leave in lieu of discharge, 28 November 1918
Conscripted near the end of the war.