Elasa () is an island that can be found northeast of Crete in the Aegean Sea, about from the palm tree forest of Vai. It is rocky and uninhabited covering . Its highest point is above sea level. Administratively it comes within the Itanos municipality in Lasithi.
Elasa is a neighbour of the Dionysades islands and is part of an environmentally protected area with many rare plants and animals including the Mediterranean monk seal.