Stefano Spiller

Stefano Spiller (born 3 July, 2005) is an Italian curler from Valdidentro. He is a former World Junior Men's and Mixed Doubles Champion.

Career Youth Spiller competed at the 2025 Winter World University Games as the alternate for the Italian team the first World Junior men's title for Italy.

The following month, Spiller and partner Lucrezia Grande represented Italy at the 2025 World Junior Mixed Doubles Curling Championship, the first time the event had been held. The pair went undefeated in pool play, with a 6–0 record. They then beat the United States, South Korean and finally Denmark (Katrine and Jacob Schmidt) in the final, to win his second junior gold medal in as many months.

Spiller skipped the Italian team once again at the 2026 World Junior Curling Championships, this time with new lead Cesare Spiller, Stefano's twin brother. There, the team had a weaker round robin, finishing with a 6–3 record. The team then upset Scotland's Orrin Carson rink in the semifinal, before losing to the United States' Caden Hebert in the final.

Men's Spiller's junior rink also competed on the men's tour during the 2025–26 curling season, where they won the Danish Open and the Sun City Cup.

Only a few weeks after winning the World Junior silver medal, Spiller was chosen to skip the Italian men's team at the 2026 World Men's Curling Championship, following the decision of longtime skip Joël Retornaz to miss the tournament.