The 2021 Winnipeg Blue Bombers season was the 63rd season for the team in the Canadian Football League (CFL) and their 88th season overall. The Blue Bombers entered the season as the defending Grey Cup champions for the first time in 30 years, having ended the franchise's lengthy drought with last year's championship win in the 107th Grey Cup game. The Blue Bombers qualified for the playoffs for the fifth consecutive season following a victory over the Edmonton Elks on October 16, 2021. The team won their first division title since 2011, and first west division title since 1972, after they defeated the BC Lions on October 23, 2021.