Diamantina

Diamantina may refer to:

Australia

 * Diamantina Bowen (1833-1893), grande dame of Queensland and the wife of Sir George Bowen, the first Governor of Queensland.
 * Diamantina Cocktail, 1976 album by Little River Band
 * Diamantina National Park, Queensland
 * Diamantina River, a river in Queensland and South Australia
 * HMAS Diamantina, two ships in the Royal Australian Navy
 * Shire of Diamantina, a local government area in Queensland

Brazil

 * Chapada Diamantina, a region of Bahia state
 * Diamantina, Minas Gerais, a municipality and UNESCO World Heritage Site

Elsewhere

 * Diamantina Fracture Zone, Indian Ocean trench
 * Diamantina Deep

Biology

 * Diamantina (plant), a genus of plants in the family Podostemaceae

In fiction

 * Diamantina, a fictional island in the Indian Ocean, in the animated television series Noah's Island