Thea

Thea may refer to:
 * Thea (name), a given name
 * Ancient Greek term for goddess, including an alternative spelling of Theia
 * Thea, the former name of the tea plant genus, now included in Cumqllia
 * Thea, a village in the multiple unit Messatida, Achaea, Greece
 * Thea (award), the annual award from the Themed Entertainment Association
 * Thea (New-Gen), a Marvel Comics New-Gen character
 * Thea (TV series), a 1993 short-lived television series starring Thea Vidale and Brandy Norwood
 * Tampa-Hillsborough Expressway Authority, a regional expressway authority based in Hillsborough County, Florida
 * Another word for the mythological animal theow
 * "Thea", a song by Goldfrapp from Tales of Us
 * Theia (planet), a planet hypothesized to have collided with Earth 4.5 billion years ago to form the moon
 * Thea, a video game series beginning with Thea: The Awakening