The men's 3000 metres event at the 2003 IAAF World Indoor Championships was held on March 14–16.
| width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
Haile Gebrselassie Ethiopia | Alberto García | Luke Kipkosgei |
First 4 of each heat (Q) and next 4 fastest (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 2 | 7:47.50 | Q | ||||
| 2 | 7:47.57 | Q | ||||
| 2 | 7:50.95 | Q | ||||
| 1 | 7:51.43 | Q | ||||
| 2 | 7:51.59 | Q, PB | ||||
| 2 | 7:51.94 | q | ||||
| 1 | 7:51.95 | Q | ||||
| 1 | 7:52.41 | Q | ||||
| 1 | 7:52.59 | Q | ||||
| 10 | 1 | 7:53.33 | q | |||
| 11 | 1 | 7:53.41 | q | |||
| 12 | 1 | 7:54.02 | q | |||
| 13 | 2 | 7:54.59 | SB | |||
| 14 | 1 | 7:55.36 | ||||
| 15 | 2 | 8:02.94 | ||||
| 16 | 1 | 8:03.17 | ||||
| 17 | 2 | 8:04.00 | ||||
| 18 | 2 | 8:07.37 | ||||
| 19 | 2 | 8:14.61 | ||||
| 20 | 1 | 8:20.10 | ||||
| 21 | 2 | 8:29.10 | ||||
| 22 | 1 | 9:03.84 | ||||
| 23 | 2 | 9:04.53 | ||||
| 1 |
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 7:40.97 | |||||
| 7:42.08 | |||||
| 7:42.56 | |||||
| 7:42.70 | PB | ||||
| 7:43.21 | |||||
| 7:44.34 | NR | ||||
| 7:44.83 | SB | ||||
| 7:45.32 | SB | ||||
| 7:47.43 | |||||
| 10 | 7:53.59 | ||||
| 11 | 7:56.05 | ||||
| 12 | 8:01.01 |