The 1991 Stanley Cup Playoffs began on April 3, 1991 following the end of the 1990-91 regular season.
The sixteen teams that qualified (from the top four teams of the four divisions) played best-of-seven series with re-seeding after the division finals.
The Conference Champions played a best-of-seven series for the Stanley Cup.
This was the first of 23 consecutive years in which the Detroit Red Wings have qualified for the Stanley Cup Playoffs.
Their streak is the fifth longest in NHL history and the longest active playoff appearance streak in the four major American professional sports.
The finals concluded on May 25, 1991 with the Pittsburgh Penguins winning the Stanley Cup, defeating the Minnesota North Stars in the final series four games to two.
Pittsburgh forward Mario Lemieux was awarded the Conn Smythe Trophy as Most Valuable Player of the playoffs.
This was the first NHL playoffs without any series sweeps since the 1972-73 NHL season.
Division Semi-Finals[]
Wales Conference[]
Boston Bruins vs. Hartford Whalers
Boston wins the series 4-2.
Montreal Canadiens vs. Buffalo Sabres
Montreal wins the series 4-2.
Pittsburgh Penguins vs. New Jersey Devils
Pittsburgh wins the series 4-3.
New York Rangers vs. Washington Capitals
Washington wins the series 4-2.
Campbell Conference[]
Chicago Blackhawks vs. Minnesota North Stars
Minnesota wins the series 4-2.
St. Louis Blues vs. Detroit Red Wings
St. Louis wins the series 4-3.
Los Angeles Kings vs. Vancouver Canucks
Los Angeles wins the series 4-2.
Calgary Flames vs. Edmonton Oilers
Edmonton wins the series 4-3.
Division Finals[]
Wales Conference[]
Boston Bruins vs. Montreal Canadiens
Boston wins the series 4-3.
Pittsburgh Penguins vs. Washington Capitals
Pittsburgh wins the series 4-1.
Campbell Conference[]
St. Louis Blues vs. Minnesota North Stars
Minnesota wins the series 4-2.
Los Angeles Kings vs. Edmonton Oilers
Edmonton wins the series 4-2.
Conference Finals[]
Wales Conference[]
Pittsburgh Penguins vs. Boston Bruins
Pittsburgh wins the series 4-2 and wins the Prince of Wales Trophy.
Campbell Conference[]
Edmonton Oilers vs. Minnesota North Stars
Minnesota wins the series 4-1 and the Clarence S. Campbell Bowl.