William Edward Couch
- Born 7 March 1897, Rāpaki, Lyttelton, New Zealand
- Died details of death unknown.
- Last rank Private
- Service number 78322
- Served In C Company, 44th Reinforcements, New Zealand Expeditionary Force
- Next of Kin Mrs Frances Couch (wife), Rāpaki, Lyttelton
- Pre-war occupation Cleaner, New Zealand Railways
- ReligionMethodist
- EnlistedBallot received 12 June 1917, Christchurch
Demobilised, 23 November 1918.