- Defiant
- could refer to:
- SS Defiant, sister vessel to SS Valiant
- USS Defiant (NCC-1731)
- USS Defiant (NCC-1764)
- USS Defiant (NX-74205)
- USS Defiant (NCC-75633)
- USS Defiant, from Star Trek: Defiant
- Defiant-class escort, a Federation starship type
- Defiant, a Terran rebellion warship from the 24th century mirror universe.
- Disambiguation page: If you followed a link to Defiant that brought you here, you might want to go back and change it to link to a more specific title. (For example: Defiant (some other term), or choose from one of those listed above.)