Nummer 1-hits in de Nederlandse Top 40 in 2003
Deze hits stonden in 2003 op nummer 1 in de Nederlandse Top 40:
| Datum | Artiest | Titel |
| 4 januari | Robbie Williams | Feel |
| 11 januari | Eminem | Lose yourself |
| 18 januari | Eminem | Lose yourself |
| 25 januari | Eminem | Lose yourself |
| 1 februari | Eminem | Lose yourself |
| 8 februari | Blue & Elton John | Sorry seems to be the hardest word |
| 15 februari | Blue & Elton John | Sorry seems to be the hardest word |
| 22 februari | Blue & Elton John | Sorry seems to be the hardest word |
| 1 maart | Blue & Elton John | Sorry seems to be the hardest word |
| 8 maart | Blue & Elton John | Sorry seems to be the hardest word |
| 15 maart | Gareth Gates | Anyone of us (Stupid mistake) |
| 22 maart | Gareth Gates | Anyone of us (Stupid mistake) |
| 29 maart | Jamaï | Step right up |
| 5 april | Jamaï | Step right up |
| 12 april | Jamaï | Step right up |
| 19 april | Jamaï | Step right up |
| 26 april | Jamaï | Step right up |
| 3 mei | Jamaï | Step right up |
| 10 mei | Jamaï | Step right up |
| 17 mei | Jim | Tell her |
| 24 mei | Jim | Tell her |
| 31 mei | Jim | Tell her |
| 7 juni | Sean Paul | Get busy |
| 14 juni | The Underdog Project & The Sunclub | Summer jam 2003 |
| 21 juni | The Underdog Project & The Sunclub | Summer jam 2003 |
| 28 juni | The Underdog Project & The Sunclub | Summer jam 2003 |
| 5 juli | The Underdog Project & The Sunclub | Summer jam 2003 |
| 12 juli | The Underdog Project & The Sunclub | Summer jam 2003 |
| 19 juli | The Underdog Project & The Sunclub | Summer jam 2003 |
| 26 juli | The Underdog Project & The Sunclub | Summer jam 2003 |
| 2 augustus | The Underdog Project & The Sunclub | Summer jam 2003 |
| 9 augustus | The Underdog Project & The Sunclub | Summer jam 2003 |
| 16 augustus | Lumidee | Never leave you (Uh oooh) |
| 23 augustus | Lumidee | Never leave you (Uh oooh) |
| 30 augustus | Lumidee | Never leave you (Uh oooh) |
| 6 september | Lumidee | Never leave you (Uh oooh) |
| 13 september | Outlandish | Aicha |
| 20 september | Outlandish | Aicha |
| 27 september | Black Eyed Peas | Where is the love |
| 4 oktober | Black Eyed Peas | Where is the love |
| 11 oktober | Nena & Kim Wilde | Anyplace, anywhere, anytime |
| 18 oktober | Nena & Kim Wilde | Anyplace, anywhere, anytime |
| 25 oktober | Nena & Kim Wilde | Anyplace, anywhere, anytime |
| 1 november | Nena & Kim Wilde | Anyplace, anywhere, anytime |
| 8 november | Nena & Kim Wilde | Anyplace, anywhere, anytime |
| 15 november | Ch!pz | Cowboy |
| 22 november | Ch!pz | Cowboy |
| 29 november | Ch!pz | Cowboy |
| 6 december | Frans Bauer | Heb je even voor mij |
| 13 december | Frans Bauer | Heb je even voor mij |
| 20 december | Marco Borsato | Afscheid nemen bestaat niet |
| 27 december | Marco Borsato | Afscheid nemen bestaat niet |
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