Snorri Eythor Einarsson (born 21 February 1986) is an Icelandic cross-country skier born in Norway. His father is Icelandic, and his mother is Norwegian; he now competes for that nation. He now lives in Isafjörður, Iceland with his girlfriend and four children. He competed for Iceland at the 2018 Winter Olympics. Einarsson has participated in the Tour de Ski representing both Norway and Iceland. His 18th place in the 50 km in the Seefeld World Championships and 15th place at the 2023 World Championships make him the most accomplished cross-country skier in Iceland ever.
In Norway he represented the club Tromsø SK.
All results are sourced from the International Ski Federation (FIS).
<span style="font-size:95%">Distance reduced to 30 km due to weather conditions.</span>