Mark McGuire may refer to:
*A misspelling of
Mark McGwire
Mark David McGwire (born October 1, 1963), nicknamed "Big Mac", is an American former professional baseball first baseman who played 16 seasons in Major League Baseball (MLB) from 1986 to 2001 for the Oakland Athletics and the St. Louis Cardi ...
*
Mark McGuire (musician)
Mark McGuire (born December 31, 1986) is an American musician. A former member of Emeralds (band), Emeralds, McGuire is a multi-instrumentalist who has been producing solo material since 2007. He has released three solo albums and produces mostly ...
(born 1986), American musician
{{hndis, McGuire, Mark