The 1984 Hamilton Tiger-Cats season was the 27th season for the team in the Canadian Football League and their 35th overall.

The Tiger-Cats finished in second place in the East Division with a 6–9–1 record.

They appeared in the 72nd Grey Cup game, but lost to the Winnipeg Blue Bombers.

Running backs Receivers Offensive linemen Linebackers Defensive backs Special teams 6-Game Injured List Suspended Active, Injured, Six-Game, Practice Roster, Suspended [1] [2] [1] [1] [3]