The 2013 Montreal Alouettes season was the 47th season for the team in the Canadian Football League and their 59th overall. The Alouettes finished in 3rd place in the East Division with an 8–10 record and struggled to make the playoffs after losing Anthony Calvillo to a career ending concussion, but made the playoffs for an 18th straight season, but lost in the East Division Semi-Final to the Hamilton Tiger-Cats 19–16 in overtime.