The best selling album in 2005 in Argentina was FLORICIENTA (SOUNDTRACK) by FLORICIENTA.
| Rank | Artist | Album | Released |
| 1 | FLORICIENTA | FLORICIENTA (SOUNDTRACK) | 2004 |
| 2 | SHAKIRA | FIJACION ORAL VOL. 1 | 2005 |
| 3 | RICARDO ARJONA | ADENTRO | 2005 |
| 4 | COLDPLAY | X&Y | 2005 |
| 5 | JOAQUIN SABINA | ALIVIO DE LUTO | 2005 |
| 6 | IL DIVO | IL DIVO | 2004 |
| 7 | BERSUIT VERGARABAT | TESTOSTERONA | 2005 |
| 8 | GREEN DAY | AMERICAN IDIOT | 2004 |
| 9 | JORGE ROJAS | LA VIDA | 2005 |
| 10 | FLORICIENTA | FLORICIENTA Y SU BANDA (SOUNDTRACK) | 2004 |
| 11 | THE ROLLING STONES | A BIGGER BANG | 2005 |
| 12 | LA LEY | MTV UNPLUGGED | 2001 |
| 13 | LEÓN GIECO | POR FAVOR PERDÓN Y GRACIAS | 2005 |
| 14 | LOS NOCHEROS | VIVO | 2005 |
| 15 | SOUNDTRACK | PASION DE GAVILANES | 2004 |
| 16 | ROBBIE WILLIAMS | INTENSIVE CARE | 2005 |
| 17 | JUANES | MI SANGRE | 2004 |
| 18 | DIEGO TORRES | DIEGO TORRES MTV UNPLUGGED | 2004 |
| 19 | MIRANDA | SIN RESTRICCIONES | 2005 |
| 20 | ANDRÉS CALAMARO | EL REGRESO | 2005 |
Source: CAPIF