1980–81 Segunda División
| Season | 1980–81 |
|---|---|
| Dates | 6 September 1980 – 24 May 1981 |
| Champions | Castellón (1st title) |
| Promoted | |
| Relegated | |
| Matches played | 380 |
| Goals scored | 835 (2.2 per match) |
| Top goalscorer | Enrique Magdaleno (17 goals) |
← 1979–80 1981–82 → | |
The 1980–81 Segunda División season saw 20 teams participate in the second flight Spanish league. CD Castellón, Cádiz CF and Racing de Santander were promoted to Primera División. Granada CF, Palencia CF, Barakaldo CF and AgD Ceuta were relegated to Segunda División B.