| STARSHIP | |
| USS Defiant | |
| |
| Class: | Constitution-class |
| Registry: | NCC-1764 |
| Affiliation: | Federation, Starfleet Terran Empire, Imperial Starfleet |
| Status: | Missing (2268) Active (2150s/2250s, mirror universe) Recovered (2380) Decommissioned (2380) Decommissioned (2376) |
| |
The USS Defiant (NCC-1764) was a Constitution-class (Bonhomme Richard sub-type) heavy cruiser in service to Starfleet in the 22nd century.