1998–99 Alpha Ethniki
| Season | 1998–99 |
|---|---|
| Champions | Olympiacos 28th Greek title |
| Relegated | Panelefsiniakos Veria Ethnikos Piraeus |
| Champions League | Olympiacos AEK Athens |
| UEFA Cup | Panathinaikos PAOK Ionikos Aris |
| Matches played | 306 |
| Goals scored | 832 (2.72 per match) |
| Top goalscorer | Demis Nikolaidis (22 goals) |
← 1997–98 | |
The 1998–99 Alpha Ethniki was the 63rd season of the highest football league of Greece. The season began on 22 August 1998 and ended on 30 May 1999. Olympiacos won their third consecutive and 28th Greek title.