William Tuna Rickus
- Born 26 February 1892, Timaru, South Canterbury, New Zealand
- Died 18 May 1955, Timaru
- Last rank Private
- Service number 16/289
- Served In New Zealand Pioneer (Māori) Battalion, A Company, 1st Māori Contingent
- Next of Kin Mr James Rickus (father), Temuka
- Pre-war occupation Labourer
- ReligionChurch of England (Anglican)
- Enlisted20 October 1914, Wellington
- Embarkationaboard HMNZT 20, Warrimoo, departed 14 February 1915, Wellington, disembarked 26 March 1915, Suez, Egypt
- Theatres of operationGallipoli 1915, Egypt 1915-1916 and Western European 1916-1917-1918
- Periods of service148 days in New Zealand and four years 84 days overseas in Egypt, Balkan, Gallipoli and Western Europe. Total service of four years and 232 days
- Returned to New Zealandaboard Northumberland, 12 May 1919
- Discharged8 September 1919, on termination of period of engagement
- Awarded1914-15 Star, Gallipoli Medallion, British War Medal and Victory Medal
