Michael D. Thibodeau (born July 16, 1966) is an American politician and businessperson from Maine. Thibodeau is the President of the Maine Senate and first in line to become Governor of Maine in the event of a vacancy. He is a Republican State Senator from Maine's 23rd District, representing all of Waldo County. He graduated from Hampden Academy in 1984. He was first elected to the Maine State Senate in 2010 after serving from 2006 to 2010 as state representative.