1991 Stanley Cup playoffs

The 1991 Stanley Cup playoffs for the National Hockey League (NHL) championship began on April 3, 1991, following the 1990–91 regular season.

This was the first of the 25 consecutive years in which the Detroit Red Wings qualified for the Stanley Cup playoffs until their streak finally ended in 2017.

Pittsburgh forward Mario Lemieux was awarded the Conn Smythe Trophy as Most Valuable Player of the playoffs.

Chicago won four of the previous five playoff meetings, including last year's Norris Division Semifinals in seven games.

This was the ninth playoff series between these two teams, and the last one before the North Stars relocated to Dallas.

St. Louis won five of the previous eight playoff series, including the most recent one in five games in the 1989 Norris Division Semifinals.

Edmonton won three of the previous five meetings, including last year's Smythe Division Finals in a four-game sweep.

Boston made their second consecutive and fourth overall Conference Finals appearance; they defeated the Washington Capitals the previous year in a four-game sweep.

Edmonton won the only previous meeting in a four-game sweep in the 1984 Campbell Conference Final.

Edmonton made their second consecutive and seventh appearance in the Conference Finals; they defeated the Chicago Blackhawks the previous year in six games.

Minnesota won this year's three-game regular season series earning five of six points.

Minnesota's series victory was the first time since realignment in 1981 that the Clarence Campbell Conference was not represented by a Canadian or Smythe Division team in the Stanley Cup Finals, and the first time since 1982 it was not represented by an Albertan team.