Hilarion Tumi Vendégou (4 September 1941 – 11 January 2020) was a French politician, the high chief of the Isle of Pines, in New Caledonia, and the mayor of the commune. He was recognised as grand chef in 1974, but, due to a violent succession dispute with his relative Jean-Marie Vendégou, was not formally enthroned until 7 July 1979.^[1] He was also the mayor of the island commune, until 2014.

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On 11 January 2020, Vendégou died at the age of 78.^[2]