The Idol's Fountain (Fonte do Ídolo) is a Roman fountain located in Braga, Portugal, in the territory of the Callaici Bracari with several inscriptions in a Celtic language (in the cultural area of Gallaecia and northern Lusitania).
The fountain is dedicated to the Gallaecian and Lusitanian gods Tongoenabiagus and Nabia, and was built in the time of the Roman Emperor Augustus.