The Slovenian Republic League 1990-91 was the last season of Slovenian top-league within the yugoslav football system. First 14 clubs secured their place in newly established Slovenian First League.
| Pos | Team | P | W | D | L | F | A | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Rudar Velenje | 30 | 16 | 9 | 5 | 57 | 31 | +26 | 41 |
| 2 | Slovan | 30 | 17 | 4 | 9 | 54 | 27 | +27 | 38 |
| 3 | Svoboda Ljubljana | 30 | 14 | 6 | 10 | 42 | 35 | +7 | 34 |
| 4 | Ljubljana | 30 | 12 | 10 | 8 | 46 | 41 | +5 | 34 |
| 5 | Nafta Lendava | 30 | 12 | 9 | 9 | 47 | 36 | +11 | 33 |
| 6 | Kladivar Celje | 30 | 13 | 7 | 10 | 48 | 43 | +5 | 33 |
| 7 | Domžale | 30 | 9 | 13 | 8 | 34 | 35 | -1 | 31 |
| 8 | Živila Naklo | 30 | 11 | 7 | 12 | 50 | 40 | 10 | 29 |
| 9 | Steklar | 30 | 11 | 7 | 12 | 46 | 47 | -1 | 29 |
| 10 | Vozila Gorica | 30 | 10 | 9 | 11 | 33 | 41 | -8 | 29 |
| 11 | Mura | 30 | 9 | 10 | 11 | 40 | 51 | -11 | 28 |
| 12 | Rudar Trbovlje | 30 | 8 | 11 | 11 | 32 | 38 | -6 | 27 |
| 13 | Jadran Dekani | 30 | 8 | 10 | 12 | 35 | 40 | -5 | 26 |
| 14 | Medvode | 30 | 10 | 6 | 14 | 28 | 45 | -17 | 26 |
| 15 | Elan Novo mesto (-2) | 30 | 9 | 8 | 13 | 37 | 49 | -12 | 24 |
| 16 | Partizan Žalec | 30 | 6 | 4 | 20 | 21 | 51 | -30 | 16 |
| Relegated to Slovenian Second League |
| Champions | Runners up | Third placed | |
|---|---|---|---|
| West | Proletarec Zagorje | Primorje | Svoboda Kisovec |
| East | Beltinka | Dravinja | Železničar Maribor |
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