1978 National Soccer League

The 1978 National Soccer League was the second season of the National Soccer League, the former top-tier Australian soccer league, since its establishment in 1977. The premiers were West Adelaide.

Stadiums and locations
Note: Table lists in alphabetical order.

Finals series
The top four teams in the league entered a playoff series, however the winner of the grand final match was not considered the overall winner of the NSL season, unlike other NSL grand finals.

Individual awards

 * Player of the Year: Ken Boden (Newcastle KB United)
 * U-21 Player of the Year: Ian Souness (Eastern Suburbs)
 * Top Scorer(s): Ken Boden (Newcastle KB United – 14 goals) Clive Eaton (Western Suburbs – 14 goals)
 * Coach of the Year: Gary Chaldi (Eastern Suburbs)