1990 in spaceflight
| Orbital launches | |
|---|---|
| First | 1 January |
| Last | 27 December |
| Total | 121 |
| Successes | 114 |
| Failures | 5 |
| Partial failures | 2 |
| National firsts | |
| Satellite | Pakistan |
| Space traveller | Japan |
| Rockets | |
| Maiden flights | Ariane 4 40 Ariane 4 42P Atlas I Commercial Titan III Delta II 6920 Delta II 7925 Long March 2E Pegasus |
| Retirements | Delta 4925 Long March 4A |
| Crewed flights | |
| Orbital | 9 |
| Total travellers | 39 |
The following is an outline of 1990 in spaceflight.