Owenia is the generic name of three groups of organisms. It can refer to:Owenia (plant), a genus of plants in the family Meliaceae Owenia (annelid) Delle Chiaje 1841, a genus of worms in the family Oweniidae Owenia (bird) Gray 1855, a genus of birds in the family Dinornithidae, now a synonym of Dinornis Owenia Kölliker, 1853, a genus of ctenophores, synonym of Haeckelia