(2779) Mary (1981 CX; 1935 EC; 1968 FN; 1969 RP; 1976 UF5) is a uma zehn Kilometa großa Asteroid van innan Haptgiatl, dea om 6. Feba 1981 van US-amerikanischn Astronom Norman G. Thomas om Lowell-Observatorium, Anderson Mesa Station (Anderson Mesa) in da Nähe vo Flagstaff, Arizona (IAU-Code 688) entdeckd worn is.