Joseph Samuel Cootes
- Born 25 January 1879, Ōtaki, Kapiti Coast, New Zealand
- Died 1958
- Last rank Private
- Service number 16/259
- Served In New Zealand Māori Contingent, New Zealand Expeditionary Force
- Next of Kin Eliza Cootes, Ōtaki
- Pre-war occupation Labourer
- Enlisted13 November 1914, Avondale, Auckland
- DischargedDischarged for misconduct, did not embark