Kermadec or de Kermadec may refer to: Geography Kermadec Islands, a subtropical island arc in the South Pacific Ocean northeast of New Zealand Kermadec Plate, a long narrow tectonic plate located west of the Kermadec Trench Kermadec Trench, one of Earth's deepest oceanic trenches, reaching a depth of 10047 m Kermadec-Tonga subduction zone, a convergent plate boundary People Eugène de Kermadec (1899–1976), a French painter Jean-Michel Huon de Kermadec (1748–1792), an 18th-century French navigator Liliane de Kermadec (born 1928), a French film director and screenwriter See also Kermadecia