| Iaaf: | EST |
| Fedname: | Eesti Kergejõustikuliit |
| Year: | 2003 |
| Games: | World Championships in Athletics |
| Location: | Paris |
| Competitors: | 7 |
| Competitors Men: | 5 |
| Competitors Women: | 2 |
| Events: | 5 |
| Gold: | 0 |
| Silver: | 1 |
| Bronze: | 0 |
| Rank: | 31 |
| Appearances: | auto |
| App Begin Year: | 1993 |
| Previous: | 2001 |
| Next: | 2005 |
Estonia competed at the 2003 World Championships in Athletics.