The National Basketball League (NBL) Finals is a tournament held at the end of each NBL season to determine the league champions.

The top six teams qualify for the finals based on their regular season performance.

The current Finals format consists of four rounds: two sudden-death play-in games, followed by the best-of-three Semifinals and the best-of-five Grand Final series.

[1] The top six teams at the end of the regular season advance to the finals under this playoff system: The top four teams at the end of the regular season advance to the finals under this playoff system: This is a complete listing of National Basketball League (NBL) Finals series, grouped by franchise.

Years in italics indicate series in progress.