Michael Gerard Sullivan (born December 22, 1967) is an American former professional football offensive guard and current assistant offensive line coach for the Tennessee Titans of the National Football League (NFL).

Sullivan attended St. Francis DeSales High School, where he was a three-year starter and was named All-Midwest as a senior.

[1] Sullivan was selected in the sixth round (153rd overall) by the Dallas Cowboys in the 1991 NFL draft, with the intention of playing him at offensive guard.

[8] Sullivan helped four teams to championships over the span of his coaching career in the European Federation of American Football.

On January 21, 2005, he was named offensive line coach at Western Michigan University.