Category - P
- Capellan Power Cat
- P'Trell, Thoris
- Paris
- Paris, Destruction of
- Perry, Samantha
- Phased Polaron Beams ("Phasers")
- Phobophage, The
- Pi Alpha III-A
- Prime Directive, The
- Promethean Device, The
- Psionic Artifacts
- Psionic Species
- Psionics (Powers of the Mind)
- USS Pacifica (NCC-5780)
- USS Patriot (NCC-5781)
- USS Patriot (NCC-5781-A)
- USS Pendragon (NCC-20109)
- USS Phoenix (NX-5199)
- USS Prophecy (NCC-41599)