Sao, or Neptune XI, like many of the outer satellites of Neptune, is named after one of the Nereids; Sao was associated with sailing and is referred to as "The rescuer" or "Safety".
Sao, ou Neptuno XI, coma a meirande parte dos satélites máis externos de Neptuno, recibiu un dos nomes das Nereidas; Sao foi asociada a navegación e era alcumada a "Rescatadora" ou "Salvadora".