2005–06 Segunda División B
| Season | 2005–06 |
|---|---|
| Champions | Universidad LPGC Salamanca Badalona Cartagena |
| Promoted | Salamanca Las Palmas Vecindario Ponferradina |
← 2004–05 2006–07 → | |
The Segunda División B 2005–06 season was the 29th since its establishment. The first matches of the season were played on 28 August 2005, and the season ended on 28 May 2006 with the promotion play-off finals.