Troi

Troi may refer to:


 * Deanna Troi, fictional character in the Star Trek universe
 * Lwaxana Troi, fictional character in the television series Star Trek: The Next Generation and Star Trek: Deep Space Nine
 * Ménage à Troi (TNG episode), episode from the third season of Star Trek: The Next Generation
 * Radu Troi (born 1949), Romanian footballer
 * Troi Zee (born 2002), American actress and singer