Janja Garnbret (born March 12, 1999) is a Slovenian rock climber and sport climber who has won multiple lead climbing and bouldering events. In 2021, she became the first ever female Olympic gold medalist in sport climbing, and is widely regarded as the greatest competitive climber of all time.

Garnbret won her first international title in the lead competition at the 2014 World Youth B Championships. In July 2015, just after turning 16, she started competing in the senior category of the Lead Climbing World Cup. Since then, she participated in 35 Lead Climbing World Cup events, missing the podium in only four of them. In 2016, aged 17, Garnbret won the seasonal titles of the IFSC Climbing World Cup in lead and combined, World Championships in lead climbing, and World Youth A Championships in both lead climbing and bouldering. From 2016 to 2018, she was awarded the seasonal title in both lead climbing and combined disciplines. In both 2018 and 2019, she won the World Championships in bouldering and combined, and also reclaimed the lead title in 2019. The same year, Garnbret became the first athlete to win all bouldering World Cup events in a season. Throughout six events, she placed first in six qualifications, four semifinals, and six finals, topping 74 out of 78 boulder problems overall.