John Shuster (; born November 3, 1982) is an American curler.
He led team USA to gold at the 2018 Winter Olympics, the first American team to ever win gold in curling.
He also won a bronze medal at the 2006 Winter Olympics in Turin.
He has played in four straight Winter Olympics (2006, 2010, 2014, 2018) and seven World Curling Championships (2003, 2005, 2006, 2009, 2015, 2016, 2017).