Mark Eugene Grace (born June 28, 1964 in Winston-Salem, North Carolina) is a former Major League Baseball player for 16 seasons with the Chicago Cubs and Arizona Diamondbacks. His defensive position was first base. He batted left-handed and wore jersey number 17.
Mark played high school baseball and basketball at Tustin High School in Tustin, California.
After playing baseball for San Diego State University, Grace was drafted by the Chicago Cubs in 1985. He spent three years playing in the Cubs farm system before making his major league debut May 2, 1988.