John Hieftje (/ˈhiːftjɛ/ HEEFT-yeh, /-dʒə/ -⁠jə) is an American politician who served as the 60th mayor of Ann Arbor, Michigan.

[1] Hieftje began his political career in 1999, when he was elected to the city council for Ann Arbor's 1st Ward as a Democrat.

This anti-sprawl program called for the purchase of conservation easements on up to 7,000 acres (28 km²) of land in and around the city in order to preserve farmland and open space.

[citation needed] He has served as Co-Chair of the Washtenaw Metro Alliance and as Chair of Recycle Ann Arbor and of Urban Core Mayors of Michigan.

He is a member of the Sierra Club, the Ecology Center of Ann Arbor, and the National Wildlife Federation (Great Lakes Office).