| Competition: | Primera División |
| Season: | 2008–09 |
| Winners: | Nacional (42nd title) |
| Relegated: | Bella Vista Juventud Villa Española |
| Continentalcup1: | Copa Libertadores |
| Continentalcup1 Qualifiers: | Nacional Cerro Racing |
| Continentalcup2: | Copa Sudamericana |
| Continentalcup2 Qualifiers: | River Plate Liverpool |
| League Topscorer: | Joaquín Boghossian (16 goals) |
| Biggest Home Win: | Racing 4–0 Central Español (September 18, 2008) Danubio 4–0 Juventud (September 21, 2008) River Plate 5–1 Wanderers (March 21, 2009) |
| Biggest Away Win: | Tacuarembó 0–5 Cerro (February 28, 2009) |
| Highest Scoring: | Bella Vista 5–2 Cerro Largo (November 9, 2008) |
| Matches: | 225 |
| Total Goals: | 626 |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
The 2008–09 Primera División season is the 77th professional season of Uruguay's top-flight football league.
Villa Española was relegated due to financial issues after the Apertura.
| Pos | Player | Team | Goals |
|---|---|---|---|
| 1 | Jorge Zambrana | River Plate | 10 |
| 2 | Joaquín Boghossian | Cerro | 9 |
| 3 | Diego Ifrán | Danubio | 8 |
| Gustavo Biscayzacú | Nacional | 8 | |
| Álvaro Navarro | Defensor Sporting | 8 | |
| 6 | Diego Cháves | Montevideo Wanderers | 7 |
| Antonio Pacheco | Peñarol | 7 | |
| Liber Quiñones | Racing | 7 | |
| Leandro Rivero | Cerro Largo | 7 | |
| 10 | Diego de Souza | Defensor Sporting | 6 |
| Paulo Pezzolano | Liverpool | 6 | |
| Mauren Franco | Tacuarembó | 6 | |
| Aldo Diaz | Bella Vista | 6 |
Results tables includes scores from both the Apertura and Clausura tournaments.
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Nacional won 5–2 on points.
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Nacional won 6–0 on points.
Nacional qualified for 2010 Copa Libertadores Second Stage.
Since Liverpool and Defensor Sporting tied on points and goal difference in the Liguilla, a playoff was needed to determine who earned the Uruguay 2 spot in the 2009 Copa Sudamericana First Stage.
| Pos | Player | Team | Goals |
|---|---|---|---|
| 1 | Joaquín Boghossian | Cerro | 7 |
| 2 | Álvaro Navarro | Defensor Sporting | 4 |
| Sebastián Balsas | Racing | 4 | |
| 4 | Sergio Blanco | Nacional | 3 |
| Henry Giménez | River Plate | 3 | |
 Pablo Hernández | Racing | 3 | |
| 7 | Bruno Montelongo | River Plate | 2 |
| Claudio Dadomo | Cerro | 2 | |
| Pablo Torres | Racing | 2 | |
| Santiago García | Nacional | 2 | |
| Emiliano Alfaro | Liverpool | 2 |