Jesper Nelin (born 3 October 1992) is a Swedish biathlete and Olympic gold medalist in men's relay. He made his World Cup debut in December 2015 and competed in his first World Championships in Oslo 2016. He represented Sweden at the 2018 and 2022 Winter Olympics.

His Olympic results include winning a gold medal in the biathlon relay in 2018 with the Swedish team, along with Peppe Femling, Sebastian Samuelsson, and Fredrik Lindström.

Jesper Nelin made his World Cup debut during the 2015–16 season. Over the years, he has steadily improved his results, particularly in relay races. His breakthrough performance came in the 2017–18 season when he secured a silver medal in the mixed relay at the Winter Olympics in PyeongChang, South Korea, where he contributed to Sweden’s success in the event.

In the World Cup, Nelin has been part of several relay teams that have earned podium finishes, including victories in the World Cup relay events. He has also competed in individual events, earning competitive results, and has contributed to Sweden's strong showing in biathlon relay disciplines.

1 medal (1 gold)

3 medals (1 gold, 1 silver, 1 bronze)