Basilissa () is a feminine form of the Greek title basileus ("king" or "emperor").
Basilissa may also refer to:
Basilinna or Basilissa, the ritual queen who was wed to Dionysus during the Anthesteria in ancient Athens Basilissa (gastropod), a genus in the family Seguenziidae Basilissa (name)
See also Basilia (disambiguation) Basilica (disambiguation) Vasilisa (name) Vasilissa (disambiguation)