The 2018 Winnipeg Blue Bombers season was the 61st season for the team in the Canadian Football League (CFL) and their 86th season overall. This was the fifth season under head coach Mike O'Shea and the fifth full season under general manager Kyle Walters. Following a week 20 win over the Calgary Stampeders, the Blue Bombers qualified for the playoffs for the third consecutive season, rebounding from a 5–7 record to start the season. The Blue Bombers defeated the Saskatchewan Roughriders in the West Division Semi-Final to start the postseason and appeared in their first Division Final since 2011, playing against the Stampeders in the 2018 edition. The team lost against the Stampeders 22–14, extending the franchise's Grey Cup drought for a 28th year.
