Alan M. Casavant (born July 26, 1952) is an American politician from Maine. Casavant, a Democrat, represented District 137 in the Maine House of Representatives from 2006 to 2014. District 137 comprised portions of Biddeford and Kennebunk. Casavant was unable to seek re-election in 2014 due to term-limits. Casavant is also the elected Mayor of Biddeford, holding that position since November 2011 when he defeated incumbent Mayor Joanne Twomey. His support grew in the 2017 election. He served as a Biddeford City Council member from 1976 to 1992. He retired as a teacher at Biddeford High School in 2012.
Casavant earned a B.S. (Bachelors's Degree of Science) in psychology from the University of Maine in 1974. In 2004, he earned a M.A. in American and New England Studies from the University of Southern Maine.