The 1986–87 St. Louis Blues season was the 20th in franchise history.
It involved the team finishing with a 32–33–15 record, good for 79 points, as they finished 1st in the Norris Division, clinching the title on the final day of the regular-season.
This would be the final division title for the Blues until the 1999–2000 season.
Note: GP = Games played, W = Wins, L = Losses, T = Ties, Pts = Points, GF = Goals for, GA = Goals againstNote: Teams that qualified for the playoffs are highlighted in bold.
The Blues lost the Norris Division semifinal series to the Toronto Maple Leafs in six games.