2009–10 Segunda Divisão
| Season | 2009–10 |
|---|---|
| Champions | FC Arouca |
| Promoted | FC Arouca Moreirense FC |
| Relegated | 13 teams |
← 2008–09 2010–11 → | |
The 2009–10 Segunda Divisão season was the 76th season of the competition and the 60th season of recognised third-tier football in Portugal. Fátima were the defending champions.