1990–91 Alpha Ethniki
| Season | 1990–91 |
|---|---|
| Champions | Panathinaikos 16th Greek title |
| Relegated | Ionikos Levadiakos PAS Giannina |
| European Cup | Panathinaikos |
| UEFA Cup | AEK Athens PAOK |
| Cup Winners' Cup | Athinaikos |
| Matches played | 306 |
| Goals scored | 772 (2.52 per match) |
| Top goalscorer | Dimitris Saravakos (23 goals) |
← 1989–90 1991–92 → | |
The 1990–91 Alpha Ethniki was the 55th season of the highest football league of Greece. The season began on 16 September 1990 and ended on 2 June 1991. Panathinaikos won their second consecutive and 16th Greek title.
The point system was: Win: 2 points - Draw: 1 point.