UK Number Ones in 2003
The following list is the 2003 Number One hits in the UK . Click on a Song Title to view full details of these songs from the UK 2003 singles chart.
| Artist | Song Title (Click to view) | Weeks | Date Number One |
| Michael Andrews | Mad World | 3 | 21-12-2003 |
| Ozzy and Kelly Osbourne | Changes | 1 | 14-12-2003 |
| Will Young | Leave Right Now | 2 | 30-11-2003 |
| Westlife | Mandy | 1 | 23-11-2003 |
| Busted | Crashed The Wedding | 1 | 16-11-2003 |
| Kylie Minogue | Slow | 1 | 09-11-2003 |
| Fatman Scoop | Be Faithful | 2 | 26-10-2003 |
| Sugababes | Hole In The Head | 1 | 19-10-2003 |
| Black Eyed Peas | Where Is The Love | 6 | 07-09-2003 |
| Elton John | Are You Ready For Love | 1 | 31-08-2003 |
| Blu Cantrell | Breathe | 4 | 03-08-2003 |
| Daniel Bedingfield | Never Gonna Leave Your Side | 1 | 27-07-2003 |
| Beyonce | Crazy In Love | 3 | 06-07-2003 |
| Evanescence | Bring Me To Life | 4 | 08-06-2003 |
| R Kelly | Ignition | 4 | 11-05-2003 |
| Tomcraft | Loneliness | 1 | 04-05-2003 |
| Busted | You Said No | 1 | 27-04-2003 |
| Room 5 | Make Luv | 4 | 30-03-2003 |
| Gareth Gates | Spirit In The Sky | 2 | 16-03-2003 |
| Christina Aguilera | Beautiful | 2 | 02-03-2003 |
| Tatu | All The Things She Said | 4 | 02-02-2003 |
| David Sneddon | Stop Living The Lie | 2 | 19-01-2003 |
| 2000 Number Ones| 2001 Number Ones| 2002 Number Ones| 2003 Number Ones| 2004 Number Ones| 2005 Number Ones| 2006 Number Ones| 2007 Number Ones| 2008 Number Ones| 2009 Number Ones