1984 United States Senate election in Maine

The 1984 United States Senate election in Maine was held on November 7, 1984. Incumbent Republican U.S. Senator William Cohen won re-election to a second term in a landslide.

Democratic

 * Libby Mitchell, State Representative since 1974

Republican

 * William Cohen, U.S. Senator since 1979 and former U.S. Representative from Maine's 2nd congressional district (1973–1979)