Jean-Guillaume Béatrix (born 24 March 1988) is a French biathlete who has competed since 2005. He was won the silver medal in the relay at the World Championships in 2012 and 2013, as well as the bronze in the Pursuit at the 2014 Olympics at Sochi. Béatrix has had two podium finishes in World Cup races in individual races.
Béatrix started competing in biathlon in 2005. He competed for France at the Junior World Championships where he won the Bronze in the individual race and the relay in 2007. He went on the become Junior World Champion in the Individual the following year.