1984 Stanley Cup playoffs

The 1984 Stanley Cup playoffs, the playoff tournament of the National Hockey League (NHL) began on April 4, after the conclusion of the 1983–84 NHL season. The playoffs concluded on May 19 with the Edmonton Oilers defeating the four time defending champion New York Islanders 5–2 to win the Stanley Cup Finals four games to one, the franchise's first Stanley Cup.

Playoff seeds
The 1984 playoffs largely maintained the format used for the previous two seasons. The four teams with the best regular-season records from each of the four divisions would secure playoff berths. The division semi-finals would see the first-place club against the fourth-place team, while the second- and third-place teams faced off. The winning clubs would then meet in the division final. Home-ice advantage for these first two rounds of the playoffs would be granted to the team with the better regular-season record. Division winners would then face one another in the conference finals.

Leaving behind the coin flip system introduced for the 1982 playoffs, the NHL changed the method by which home-ice advantage would be determined for the conference and Stanley Cup finals. The higher total of points accumulated by teams within a division from contests against teams of the other division in the conference, secured home-ice advantage for the corresponding division champion. Similarly, the higher total of points accumulated by teams within a conference from contests against teams of the other conference, secured home-ice advantage for the corresponding conference champion.

This formula resulted in home-ice advantage for the Adams and Smythe division champions in the conference finals and resulted in home-ice advantage for the Wales Conference champions in the Stanley Cup finals.

The sequence of Stanley Cup final games was changed for this season. The series opened with two games in the city with home-ice advantage and then shifted to the rival team's rink for the next three games, including the fifth (if necessary). The series then returned to the initial city for the final two games (if necessary).

The following teams qualified for the playoffs:

Adams Division

 * 1) Boston Bruins, Adams Division champions – 104 points (49 wins)
 * 2) Buffalo Sabres – 103 points
 * 3) Quebec Nordiques – 94 points
 * 4) Montreal Canadiens – 75 points

Patrick Division

 * 1) New York Islanders, Patrick Division champions, Prince of Wales Conference regular season champions – 104 points (50 wins)
 * 2) Washington Capitals – 101 points
 * 3) Philadelphia Flyers – 98 points
 * 4) New York Rangers – 93 points

Norris Division

 * 1) Minnesota North Stars, Norris Division champions – 88 points
 * 2) St. Louis Blues – 71 points
 * 3) Detroit Red Wings – 69 points
 * 4) Chicago Black Hawks – 68 points

Smythe Division

 * 1) Edmonton Oilers, Smythe Division champions, Clarence Campbell Conference regular season champions – 119 points
 * 2) Calgary Flames – 82 points
 * 3) Vancouver Canucks – 73 points (32 wins)
 * 4) Winnipeg Jets – 73 points (31 wins)

(A3) Quebec Nordiques vs. (A4) Montreal Canadiens
Game six of this series is referred to as the Good Friday Massacre.

(S1) Edmonton Oilers vs. (S2) Calgary Flames
Lanny McDonald scored the overtime winner for Calgary in Game 6.

Stanley Cup Finals
It was a rematch of the 1983 final as the Islanders attempted to match the 1950s Montreal Canadiens and win the Stanley Cup five consecutive times, against the Edmonton Oilers attempting to win the franchise's first championship. The Islanders lost the first game at home 1-0, but bounced back to defeat the Oilers 6-1 in the second game. Edmonton took over the series from that point, winning the next three games, all played in Edmonton.

Skaters
These are the top ten skaters based on points.

Goaltenders
This is a combined table of the top five goaltenders based on goals against average and the top five goaltenders based on save percentage, with at least 420 minutes played. The table is sorted by GAA, and the criteria for inclusion are bolded.