Diamantina Lakes is an outback locality in the Shire of Diamantina, Queensland, Australia. In the , Diamantina Lakes had "no people or a very low population".
Diamantina Lakes is part of the Channel Country which is an arid landscape with a series of ancient flood plains from rivers which only flow intermittently. When there is water in it, the Diamantina River flows from north to south through the locality eventually destined for Lake Eyre in South Australia. However, the water usually evaporates and is absorbed into the earth before reaching Lake Eyre.
The Diamantina National Park is in the north-east of the locality and the Astrebla Downs National Park is in the south-west of the locality. Apart from these protected areas, the land use is grazing on native vegetation.
The Diamantina Lakes pastoral station was established in 1875. The pastoral station was capable of holding up to 12,000 head of cattle.In 1992, the property was purchased by the Queensland Government which subsequently gazetted the property as the Diamantina National Park. A number of stock routes still exist through the national park.
In the , Diamantina Lakes had a population of 17 people.
In the , Diamantina Lakes had "no people or a very low population".
The heritage listings for Diamantina Lakes includes:
There are no schools in the locality, nor nearby. The alternatives are distance education and boarding school.