| Club: | Real Betis |
| Season: | 2008–09 |
| Owner: | Manuel Ruiz de Lopera |
| Chrtitle: | President |
| Chairman: | Pepe León |
| Mgrtitle: | Head coach |
| Manager: | Paco Chaparro (until 6 April) José María Nogués (from 6 April)[1] |
| Stadium: | Manuel Ruiz de Lopera |
| League: | La Liga |
| League Result: | 18th (relegated) |
| Cup1: | Copa del Rey |
| Cup1 Result: | Quarter-finals |
| League Topscorer: | Achille Emaná (11) |
| Season Topscorer: | Achille Emaná (12) |
| Pattern La1: | _white_stripes |
| Pattern B1: | _whitestripes3 |
| Pattern Ra1: | _white_stripes |
| Pattern So1: | _whitehorizontal |
| Leftarm1: | 008000 |
| Body1: | 008000 |
| Rightarm1: | 008000 |
| Shorts1: | ffffff |
| Socks1: | 008000 |
| Leftarm2: | 005000 |
| Body2: | 008000 |
| Rightarm2: | 005000 |
| Shorts2: | 008000 |
| Socks2: | 008000 |
| T: | s |
| Leftarm3: | FFFFFF |
| Body3: | 0FFFFF |
| Rightarm3: | FFFFFF |
| Shorts3: | 000000 |
| Socks3: | 000000 |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
The 2008–09 season was the 101st season in the existence of Real Betis and the club's eighth consecutive season in the top flight of Spanish football. In addition to the domestic league, Real Betis participated in this season's edition of the Copa del Rey.[2]
* Also holds 
Brazilian citizenship.[3]
See main article: 2008–09 La Liga.
The league fixtures were announced on 16 July 2008.
See main article: 2008–09 Copa del Rey.