1998–99 National Soccer League
| NSL 1998-99 | |
|---|---|
| League | National Soccer League |
| Sport | Association football |
| Duration | 1998-99 |
| Number of teams | 15 |
| NSL season | |
| Champions | South Melbourne |
| Top scorer | Mile Sterjovski Pablo Cardozo (18 each) |
The 1998–99 National Soccer League season, known under a sponsorship arrangement as the 1998–99 Ericsson Cup, was the 23rd season of the National Soccer League in Australia.