Séléna is a ♀ female name.
Séléna is a French form of Selene, a name of the Greek mythology (the sister of Helios and the goddess of the moon).
Séléna means “moon” or “moon goddess” (from ancient Greek “selēnē/σελήνη” = moon, deriving from “sélas/σέλᾰς” = light/brightness).