Marek Schwarz is a Czech former professional ice hockey goaltender. He played 6 games in the National Hockey League with the St. Louis Blues from 2006 to 2008. The rest of his career, which lasted from 2003 to 2023, was mainly spent in the Czech Extraliga. Internationally Schwarz played for the Czech national junior team at several junior tournaments, winning bronze medals at both the 2004 under-18 championships and 2005 World Junior Championships.

The 2005 World Junior Ice Hockey Championships was held between December 25, 2004, and January 4, 2005, at the Ralph Engelstad Arena in Grand Forks, North Dakota, and at the Ralph Engelstad Arena in Thief River Falls, Minnesota, United States. Canada won the gold medal. Jim Johannson oversaw administration of the event on behalf of USA Hockey.