T'Plana-Hath could refer to: * T'Plana-Hath (matron), matron of Vulcan philosophy * T'Plana-Hath (starship), Vulcan lander ship that made first contact with Earth * T'Plana-Hath (mirror), its mirror universe counterpart * T'Plana-Hath-type, the Vulcan starship type that includes the T'Plana-Hath * USS T'Plana-Hath, a 23rd century Federation starship * T'Plana, called T'Plana-Hath in an early draft of the script