Iivo Henrik Niskanen (born 12 January 1992) is a Finnish cross-country skier who has competed in the FIS Cross-Country World Cup since 2011. He is a two-time olympic champion.
Iivo Niskanen made his individual World Cup debut on 12 March 2011 where he became 69th in a 20 km skiathlon in Lahti, Finland. He had his breakthrough at international level when he won the 15 kilometre classic race at the 2014 under-23 World Championships in Val di Fiemme on 30 January 2014. He won the race with a 17.4 seconds margin to Sergey Ustiugov. Only three days after he won the gold medal at the under-23 World Championships, he became 8th in a 15 km classic World Cup race in Toblach, Italy.
He won the gold medal in men's team sprint at the 2014 Winter Olympics with Sami Jauhojärvi. Following the pair's achievement, Niskanen and Jauhojärvi shared the Finnish Sports Personality of the Year award in 2014. Niskanen finished 4th on the prestigous 50 km race in Holmenkollen on 8 March 2014.