Mack Cormier is an American politician for the state of Louisiana. He is a member-elect to the Louisiana House of Representatives for the 105th district.
Cormier ran for the Louisiana House in the 2019 Louisiana elections. Cormier forced incumbent Chris Leopold, a Republican, into a runoff election, and defeated Leopold in the runoff.
His father, Amos Cormier Jr., and brother, Amos Cormier III, have served as preident of Plaquemines Parish.