SeaStar or Sea Star may refer to: Sea Star Festival, summer music festival in Umag, Croatia Starfish, an echinoderm belonging to the class Asteroidea AAC SeaStar, a two-seat biplane from Canada Dornier Seawings Seastar, an amphibious aircraft with two engines in a push-pull configuration MV Sea Star, a supertanker SeaStar Aircraft SeaStar, a two-seat monoplane from Hungary Sea Star Awards, Argentine entertainment awards SeaStar, or OrbView-2, the satellite hosting the SeaWiFS instrument SeaStar, the communications processors in Cray XT3 and XT4 supercomputers Lockheed T2V SeaStar