| Competition: | National Soccer League |
| Season: | 1988 |
| Dates: | 29 January – 3 September 1984 |
| Winners: | Marconi Fairfield 2nd title |
| Premiers: | Wollongong City 1st title |
| Relegated: | Brunswick Juventus Brisbane Lions |
| Matches: | 188 |
| Total Goals: | 501 |
| League Topscorer Section: | Top scorer |
| League Topscorer: | Frank Farina (17) |
| Biggest Home Win: | (7 February 1988) |
| Biggest Away Win: | (3 April 1988) (31 July 1988) |
| Highest Scoring: | (20 March 1988) |
| Highest Attendance: | 17,064 Sydney Croatia 2–2 Marconi Fairfield (3 September 1988, Grand Final) |
| Lowest Attendance: | 600 Melbourne Croatia 0–2 Brunswick Zebras (7 August 1988) |
| Prevseason: | 1988 |
| Nextseason: | 1989 |
The 1988 National Soccer League season, was the 12th season of the National Soccer League in Australia.