Jeffrey E. Lantz is a lawyer, judge and former Canadian politician, who was elected to the Legislative Assembly of Prince Edward Island in the 2000 provincial election.
Educated at the University of Prince Edward Island and University of New Brunswick, Lantz practiced law in Charlottetown for twelve years. Lantz also served as president of the Heart and Stroke Foundation. He represented the electoral district of Charlottetown-Rochford Square and was a member of the Progressive Conservative Party. He served in the provincial cabinet as Attorney General, Minister of Education and Minister of Tourism. Lantz did not reoffer in the 2003 election.
After leaving politics, he was named a provincial court judge. His brother Rob Lantz later served as leader of the Progressive Conservative Party.