皮奥（葡萄牙语：Piau）是巴西米纳斯吉拉斯州的一个市镇。总面积191.378平方公里，总人口3061人，人口密度16人/平方公里。

• 米纳斯吉拉斯州市镇列表

Piau is a municipality in the state of Minas Gerais in the Southeast region of Brazil.

At the end of the eighteenth century, those who had been involved in the Inconfidência Mineira were heavily persecuted by the Portuguese Crown. These men (among them was Francisco José da Silva, uncle of Tiradentes) became fugitives searching for new places to make a new life.