1984 NSL Cup
The 1984 NSL Cup was the eighth edition of the NSL Cup, which was the main national association football knockout cup competition in Australia. The competition was known as the Philips Cup under a sponsorship arrangement with Dutch company Philips.
Sydney Olympic were the defending champions, having defeated Heidelberg United to win their first title in the previous year's final, but they were eliminated in the group stage.
Newcastle Rosebud United defeated Melbourne Knights 1–0 in the final to win their first NSL Cup title.
Teams
The NSL Cup was a knockout competition with 24 teams taking part all trying to reach the Final in September 1984. The competition consisted of the 24 teams from the National Soccer League.| Round | Main date | Number of fixtures | Clubs remaining |
| Group stage | Sunday 3 June 1984 | 36 | 24 → 8 |
| Quarter-finals | Monday 11 June 1984 | 4 | 8 → 4 |
| Semi-finals | Wednesday 29 August 1984 | 2 | 4 → 2 |
| Final | 1 | 2 → 1 |
Group stage
Group 1
----
----
Group 2
----
----
Group 3
----
----
Group 4
----
----
Group 5
----
----
Group 6
----
----