 | This timeline of spaceflight may require cleanup to ensure consistency with other timeline of spaceflight articles. See Wikipedia:WikiProject Spaceflight/Timeline of spaceflight working group for guidelines on how to improve the article. Details |  |
 Launch of Shenzhou 5, the first Chinese human spaceflight mission, this mission has made China the 3rd country to have independent human spaceflight capability after the USSR and the US. | |
| Orbital launches | |
|---|---|
| First | 11 January |
| Last | 29 December |
| Total | 63 |
| Successes | 60 |
| Failures | 3 |
| Partial failures | 0 |
| Catalogued | 61 |
| National firsts | |
| Satellite |  Greece Nigeria |
| Space traveller |  China Israel |
| Rockets | |
| Maiden flights | Atlas V 521 Delta II Heavy Delta IV Medium Strela |
| Retirements | Ariane 4 44L Ariane 5G Space Shuttle Columbia Titan 23G |
| Crewed flights | |
| Orbital | 4 |
| Total travellers | 13 |
This article outlines notable events occurring in 2003 in spaceflight, including major launches and EVAs.