Rene Zahkna is an Estonian biathlete. Zahkna won two medals at the 2015 European Championships and two medals at the 2014 European Championships, two medals at the 2013 Junior World Championships and two medals at the 2012 Winter Youth Olympics. He debuted in the Biathlon World Cup on March 13, 2014 in Kontiolahti, Finland, finishing 68th. He earned his first World cup points on January 13, 2016 in Ruhpolding, Germany, with a 34th position finish.

Biathlon is one of the sports featured at the Winter Youth Olympics. It has been part of the games since the inaugural edition in 2012.