Rene Zahkna (born 2 October 1994) is an Estonian biathlete.

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.

All results are sourced from the International Biathlon Union.

His father is a former biathlete Hillar Zahkna.