The best selling compilation album in 2005 in Spain was EL DISCO DE REGGAETON by VARIOUS ARTISTS.
| Rank | Artist | Album | Released |
| 1 | VARIOUS ARTISTS | EL DISCO DE REGGAETON | 2004 |
| 2 | CARIBE SERIES | CARIBE 2005 | 2005 |
| 3 | CRAZY FROG | CRAZY HITS | 2005 |
| 4 | VARIOUS ARTISTS | LOS NÚMEROS UNO DE 40 PRINCIPALES 2005 | 2005 |
| 5 | VARIOUS ARTISTS | NUESTRA MEJOR CANCION | 2004 |
| 6 | Ñ, LOS ÉXITOS SERIES | Ñ, LOS EXITOS DEL AÑO 2004 | 2004 |
| 7 | SUPERVENTAS SERIES | SUPERVENTAS 05 | 2005 |
| 8 | Ñ, LOS ÉXITOS SERIES | Ñ, LOS ÉXITOS DEL AÑO 2005 | 2005 |
| 9 | VARIOUS ARTISTS | LOS NÚMEROS UNO DE 40 PRINCIPALES 2005 | 2005 |
| 10 | VARIOUS ARTISTS | UNA HISTORIA POP Y ROCK EN ESPAÑA-LOS 60 | 2005 |
Source: PROMUSICAE