| Competition: | Superliga |
| Season: | 2005–06 |
| Winners: | Espanyol |
| Relegated: | Estudiantes (dissolved) Gijón |
| Continentalcup1: | Women's Cup |
| Continentalcup1 Qualifiers: | Espanyol |
| Matches: | 156 |
| Total Goals: | 626 |
| Prevseason: | 2004–05 |
| Nextseason: | 2006–07 |
The 2005–06 Superliga season was the 18th since its establishment. Espanyol won its first title ever.
Before the start of the competition, Sabadell withdrew from the league.
| Team | Location | |
|---|---|---|
| Bilbao | ||
| Barcelona | ||
| Barcelona | ||
| Huelva | ||
| Gijón | ||
| Barañáin | ||
| Valencia | ||
| Oviedo | ||
| Puebla de la Calzada | ||
| Madrid | ||
| Seville | ||
| Torrejón de Ardoz | ||
| Zaragoza |