The 2003 Tour de France was the 90th edition and centenary of the Tour de France, one of cycling's Grand Tours. The Tour began in Paris on 5 July with a prologue individual time trial and finished on the Champs-Élysées, back in Paris, on 27 July. The Tour started with 22 teams of 9 cyclists each.
Teams
Qualified teams
Invited teams
Cyclists
By starting number
{| class="wikitable"
|+ Legend
|align=center| No.
| Starting number worn by the rider during the Tour
|-
|align=center| Pos.
| Position in the general classification
|-
|align=center| DNF
| Denotes a rider who did not finish
|}
{| class="wikitable plainrowheaders sortable"
|-
! scope="col" | No.
! scope="col" | Name
! scope="col" | Nationality
! scope="col" | Team
! scope="col" data-sort-type="number" | Pos.
! scope="col" class="unsortable" |
|-
| style="text-align:center;" | 1
! scope="row" | <del>Lance Armstrong</del>
|
|
| style="text-align:center;" | <del>1</del>
| style="text-align:center;" |