(silver) Marc Wright
1912 pole vault
(gold) Marc Freiberger
1952 basketball
(bronze) Marc Ryan
2008; 2012 cycling - track
(silver) Marc Houtzager
2012 equestrian
(silver/bronze) Marc Burns
2008; 2012 4x100 m relay
(silver) Marc Gasol
2008; 2012 basketball
(bronze) Jean-Marc Gaillard
2014 cross-country skiing
(gold) Marc-Édouard Vlasic
2014 ice hockey