Pioneer could refer to:
- ISS Pioneer (NCC-723912), an Independence-class starship of the mirror universe
- USS Pioneer (NCC-71102-A), a Nebula-class starship
- USS Pioneer (NCC-723912), an Independence-class starship
- USS Pioneer, an Intrepid-class starship of the Vanguard universe
- USS Pioneer (NCC-73409), a Nova-class starship featured in the series Star Trek: Infinite Voyages
- Stories
- The series Star Trek: Pioneer