Vasilissa may refer to:
Vasilissa (child martyr) Vasilissa (phasmid), a genus of the Acanthoxylini tribe of stick insects Alternative spelling of Vasilisa (name) Alternative spelling of Basilissa, a Greek title similar to "queen" of "empress" Alternative spelling of Basilissa (name) Vasilissa (album), a 2017 album by Eleni Foureira
See also Vasilissa ergo gaude