The 1984 National Soccer League season was the eighth season of the National Soccer League in Australia. This season saw a restructure of the league, introducing a split into two geographical divisions, and an expansion from 16 to 24 teams. A Northern Conference comprised 12 clubs from New South Wales and Australian Capital Territory, and a Southern Conference consisted of 12 Victorian, South Australian, and Queensland clubs. This season also saw the introduction of the two well-supported Croatian clubs, Melbourne Croatia and Sydney Croatia, both of which had had recent success in the state-leagues. For the first time in the competition, a finals system was introduced, whereby the five highest finishing teams in each conference had a playoff to determine a conference winner. The two conference winners then played each other in a two-legged Grand Final to be declared champions. The Grand Final was won by South Melbourne over Sydney Olympic.

Teams

Twenty-four teams competed in the league (twelve in the Northern Conference and twelve in the Southern Conference) – the sixteen teams from the previous season and eight teams accepted from their respective state leagues.

Stadiums and locations

Managerial changes

The Australian Soccer Annual 1984 reported 11 managerial changes.

League tables

Northern Conference Southern Conference

Results

Five matches occurred where the fixture was played a third time in the 1984 season.

Finals series

Northern Conference Southern Conference

Grand Final

Individual awards