Thalassa is a primordial Greek sea goddess. Thalassa may also refer to: Thalassa (band), a band which represented Greece at the Eurovision Song Contest 1998 Thalassa (beetle), a genus of ladybug Thalassa (moon), a moon of the planet Neptune Thalassa (TV series), a French documentary programme , a ship of the Ifremer A fictional planet in Arthur C. Clarke's novel The Songs of Distant Earth A character from the Star Trek original series episode "Return to Tomorrow" Thalassa Gramarye, a fictional musician in the video game Apollo Justice: Ace Attorney See also Thalassia (disambiguation) Thalasso (disambiguation) Thalassocracy Thalassotherapy Panthalassa