T'Plana-Hath may refer to:
- T'Plana-Hath, a Vulcan historian.
- T'Plana Hath-class, a 21st century Vulcan class of surveyor starships.
- VSS T'Plana-Hath, a 23rd century Vulcan surveyor.
- USS T'Plana-Hath (NCC-1004), a 23rd century Federation Starfleet starship.
- USS T'Plana-Hath (24th century), a 24th century Federation Starfleet starship.
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