戈亚尼亚（葡萄牙语：Goiânia）是巴西中部戈亚斯州的首府和最大城市，人口约125万。

Goiânia (/ɡɔɪˈɑːniə/; Portuguese pronunciation: [ɡojˈjɐniɐ]) is the capital and largest city of the Brazilian state of Goiás. With a population of 1,301,892, it is the second-largest city in the Central-Western Region and the 13th-largest in the country. Its metropolitan area has a population of 2,063,744, making it the 11th-largest in Brazil. With an area of approximately 739 km (285 sq mi), it has a continuous geography, with few hills and lowlands, with flat lands in most of its territory, especially the Meia Ponte River, in addition to Botafogo and Capim Puba streams.