1989 Hamilton Tiger-Cats season

The Tiger-Cats finished in first place in the East Division with a 12–6 record and played in the 77th Grey Cup game.

The team lost the highest scoring Grey Cup game in the trophy's history to the Saskatchewan Roughriders by a score of 43–40.

Tony Champion set a franchise record for most touchdowns in one season with 15 and was the team's nominee for Most Outstanding Player.

[1] Paul Osbaldiston nearly matched his franchise record for most converts in a single season.

Osbaldiston had 47 converts, two fewer than he scored in 1988.