Francis K. (Frank) Koehn is an American activist and politician in Northern Wisconsin.
He was the first Green Party candidate to be elected to office in the United States when he was elected Bayfield County supervisor on the Lake Superior Greens ticket in 1986.
[1] Koehn's 12 years on the Board of Supervisors (1986–1998) is one of the longest tenures in elected office for any Green Party member, and after Dave Conley (22 years) is the second longest among Wisconsin Greens.
[4] He is considered a founding member of the Wisconsin Green Party and remains active in it.
Koehn was also a schoolteacher in the South Shore Schools in Port Wing, Wisconsin, until recently.