These are lists of active and all-time National Hockey League (NHL) franchise post-season appearance, post-season series win, Stanley Cup Finals and Stanley Cup streaks up to and including the 2023–24 NHL season and subsequent 2024 Stanley Cup playoffs. These lists do not include the canceled 2004–05 NHL season.

Longest active streaks

Post-season appearance streaks

A post-season appearance streak is continued by making the NHL playoffs in consecutive years after the regular season. Since the first round of the playoffs normally consists of eight series, there will always be sixteen teams on this list (of the thirty-two teams in the NHL).

Post-season opening round series win streaks

This is a list of teams that have active post-season series win streaks. A post-season series win streak is continued by making the post-season and winning at least the first-round series of the playoffs. Since the first round of the playoffs consists of sixteen teams in eight series, there will always be eight teams in this list, the winners of those series.

Longest all-time streaks

Post-season appearance streaks

This section has been updated to include teams who appeared in the 2024 Stanley Cup playoffs. {{legend|#CFECEC|Active franchise streak is highlighted|border=#AAAAAA}}

Post-season series win streaks

Consecutive seasons with at least one series victory.

Stanley Cup Finals appearance streaks

Stanley Cup win streaks