John Lisnik (December 19, 1946 – April 24, 2020) was an American politician and administrator in the University of Maine System.
In 1980, Lisnik was elected to the Maine House of Representatives as a Democrat, replacing retiring Republican Bruce Roope.
Lisnik was born in Presque Isle, Maine and graduated from area schools in 1965 before enlisting in the United States Army during the Vietnam War.
He then received a fellowship to study at the University of Notre Dame, where he earned a M.A.
At the time of his announcement to run for the House of Representatives, Lisnik was vice chairman of the Presque Isle city democratic committee.