Guillaume Asselin (born September 9, 1992) is a Canadian professional ice hockey right winger who currently plays for EHC Olten of the Swiss League (SL).
Asselin briefly played in the ECHL at the conclusion of his college career before signing a one-year deal with HC Banska Bystrica of the Slovak Extraliga on October 31, 2017.
On June 4, 2019, Asselin signed a one-year contract with HC Sierre of the Swiss League (SL).
[4] He made his NL debut the next day on January 15, 2021 against the ZSC Lions and scored an OT game-winning goal.
On March 26, 2024, Asselin agreed to a two-year contract with EHC Olten to return to the SL.