Barro Alto is a municipality in northern Goiás state, Brazil, famous for its nickel mine and production of rubber.

Barro Alto is in the Ceres Microregion and is in an underpopulated region south of the Serra de Mesa artificial lake.

Highway connections are made by GO-080 / Nerópolis / São Francisco de Goiás / BR-153 / Jaraguá / GO-080 / Goianésia and 41 km northeast.

In 1951 a highway connection with Goianésia was opened up, and in 1956 a chapel dedicated to Nossa Senora d'Abadia was built.

The United Nations Human Development Index (2000) ranked Barro Alto 200 out of 242 municipalities in the state of Goiás with a combined life expectancy of 68.5 years, 0.76% adult literacy, and a per capita monthly income of 143.9 reais, which at March 2006 exchange rates was worth 55.2 euros.