Shadrach (Heteraka) Ruru
- Born 3 August 1872, Port Levy, Christchurch, New Zealand
- Died 17 August 1952, Port Levy
- Last rank Corporal
- Service number 16/226
- Served In New Zealand Pioneer (Māori) Battalion, A Company, 1st Māori Contingent
- Next of Kin Mrs Huihana Ruru (mother), Port Levy, Lyttelton
- Pre-war occupation Labourer, Port Levy
- ReligionChurch of England (Anglican)
- Enlisted20 October 1914 at Canterbury
- Embarkationaboard HMNZT 20, Warrimoo, departed 14 February 1915, Wellington, disembarked 26 March 1915, Suez, Egypt
- Theatres of operationGallipoli 1915, Egypt 1915-1916, Egyptian E.F. 1916 and Western European 1916-1917-1918
- Periods of service146 days in New Zealand and three years 311 days overseas in Egypt, Balkan, Gallipoli and Western Europe. Total service of four years and 91 days
- Returned to New Zealandaboard Tofua, 22 December 1918
- Discharged18 January 1918
- Awarded1914-15 Star, British War Medal and Victory Medal