List of Ultratop 40 number-one singles of 2005
# List of Ultratop 40 number-one singles of 2005

This is a list of songs that topped the Belgian Walloon (francophone) Ultratop 40 in 2005.

| Issue Date | Artist | Song |
| - | - | - |
| January 1 | Garou & Michel Sardou | La Rivière de notre enfance |
| January 8 | Garou & Michel Sardou | La Rivière de notre enfance |
| January 15 | Garou & Michel Sardou | La Rivière de notre enfance |
| January 22 | Starsailor | Four to the Floor |
| January 29 | Starsailor | Four to the Floor |
| February 5 | Starsailor | Four to the Floor |
| February 12 | Starsailor | Four to the Floor |
| February 19 | Solidarité Asie Tsunami 12-12 | Ensemble |
| February 26 | Solidarité Asie Tsunami 12-12 | Ensemble |
| March 5 | Green Day | Boulevard of Broken Dreams |
| March 12 | Amel Bent | Ma Philosophie |
| March 19 | Amel Bent | Ma Philosophie |
| March 26 | Amel Bent | Ma Philosophie |
| April 2 | Amel Bent | Ma Philosophie |
| April 9 | Amel Bent | Ma Philosophie |
| April 16 | Amel Bent | Ma Philosophie |
| April 23 | Ilona Mitrecey | Un Monde parfait |
| April 30 | Ilona Mitrecey | Un Monde Parfait |
| May 7 | Ilona Mitrecey | Un Monde Parfait |
| May 14 | Ilona Mitrecey | Un Monde Parfait |
| May 21 | Ilona Mitrecey | Un Monde Parfait |
| May 28 | Ilona Mitrecey | Un Monde Parfait |
| June 4 | Ilona Mitrecey | Un Monde Parfait |
| June 11 | Ilona Mitrecey | Un Monde Parfait |
| June 18 | Ilona Mitrecey | Un Monde Parfait |
| June 25 | Ilona Mitrecey | Un Monde Parfait |
| July 2 | Ilona Mitrecey | Un Monde Parfait |
| July 9 | Ilona Mitrecey | Un Monde Parfait |
| July 16 | Crazy Frog | Axel F |
| July 23 | Crazy Frog | Axel F |
| July 30 | Crazy Frog | Axel F |
| August 6 | Crazy Frog | Axel F |
| August 13 | Crazy Frog | Axel F |
| August 20 | Crazy Frog | Axel F |
| August 27 | Crazy Frog | Axel F |
| September 3 | Crazy Frog | Axel F |
| September 10 | Crazy Frog | Axel F |
| September 17 | Crazy Frog | Axel F |
| September 24 | Crazy Frog | Axel F |
| October 1 | Crazy Frog | Axel F |
| October 8 | Crazy Frog | Axel F |
| October 15 | Star Academy 5 | Je Ne Suis Pas Un Héros |
| October 22 | Crazy Frog | Popcorn |
| October 29 | Crazy Frog | Popcorn |
| November 5 | Lââm | Petite sœur |
| November 12 | Lââm | Petite sœur |
| November 19 | Madonna | Hung Up |
| November 26 | Madonna | Hung Up |
| December 3 | Madonna | Hung Up |
| December 10 | Madonna | Hung Up |
| December 17 | Madonna | Hung Up |
| December 24 | Madonna | Hung Up |
| December 31 | Madonna | Hung Up |

## Best-Selling Singles

This is the ten best-selling/performing singles in 2005.

| Pos. | Artist | Title | HP | Weeks |
| - | - | - | - | - |
| 1 | Crazy Frog | "Axel F" | 1 | 31 |
| 2 | Ilona Mitrecey | "Un Monde Parfait" | 1 | 32 |
| 3 | Amel Bent | "Ma Philosophie" | 1 | 24 |
| 4 | Sinsemilia | "Tout le Bonheur du Monde" | 2 | 28 |
| 5 | Akon | "Lonely" | 2 | 21 |
| 6 | Pinocchio | "T'es Pas Cap Pinocchio" | 2 | 21 |
| 7 | Madonna | "Hung Up" | 1 | 7 |
| 8 | Raphaël | "Caravane" | 2 | 27 |
| 9 | Lââm | "Petite Sœur" | 1 | 15 |
| 10 | Shakira featuring Alejandro Sanz | "La Tortura" | 5 | 23 |
