In the 2017–18 season, Edin won his sixth gold medal at the European Curling Championships. He also skipped the Swedish men's team at the 2018 Winter Olympics, where he won a silver medal, losing to the United States (skipped by John Shuster) in the gold medal game. Team Edin avenged their loss at the 2017 Worlds by defeating Team Gushue in the finals of the 2018 World Men's Curling Championship, giving Edin his third World Championship gold medal. On the World Curling Tour, Team Edin did not win any slams but made it to the finals in three events.