Maine's 2nd congressional district is a congressional district in the U.S. state of Maine. Covering 27,326 square miles (70,770 km2), it comprises nearly 80% of the state's total land area. The district comprises most of the land area north of the Portland and Augusta metropolitan areas. It includes the cities of Lewiston, Bangor, Auburn, and Presque Isle. The district is represented by Democrat Jared Golden, who took office in 2019.

Michael Herman Michaud is an American businessman and politician from Maine. Michaud served as the U.S. representative for Maine's 2nd congressional district from 2003 to 2015. He is a member of the Democratic Party. The primarily rural district comprises nearly 80% of the state by area and includes the cities of Lewiston, Auburn, Bangor, Presque Isle, and Ellsworth. It is the largest Congressional district by area east of the Mississippi River.