The 2015 Tour of Alberta was the third edition of the Tour of Alberta stage race. The event was included on the UCI America Tour, with a UCI classification of 2.1. As such, the race was only open to teams on the UCI Pro Tour, UCI Professional Continental and UCI Continental circuits. The race took place between September 2–7, 2015, as a six-day, six-stage race, traversing the province of Alberta. The race commences in Grande Prairie and finished in Edmonton. It was won by Bauke Mollema of Trek Factory Racing.

Bauke Mollema is a Dutch professional cyclist, who rides for UCI WorldTeam Lidl–Trek. He has finished in the top 10 in all three Grand Tours, with stage wins in the 2021 Tour de France, 2017 Tour de France, and the 2013 Vuelta a España. His best result in the general classification in the Tour de France came in 2013 when he finished in 6th place. He won the Clásica de San Sebastián in 2016 and finished on the podium on three other occasions at the race. In 2019, he achieved the biggest win of his career in Il Lombardia.