Diamantina may refer to:
Geography
editAustralia
edit- 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
edit- Chapada Diamantina, a region of Bahia state
- Diamantina, Minas Gerais, a municipality and UNESCO World Heritage Site
Elsewhere
edit- Diamantina Fracture Zone, Indian Ocean trench
Biology
edit- Diamantina (plant), a genus of plants in the family Podostemaceae
In fiction
edit- Diamantina, a fictional island in the Indian Ocean, in the animated television series Noah's Island