Ileana is a female given name. It is the feminine form of the male name Elijah. It has been adapted for Romanian, Bulgarian, Macedonian, Italian and Spanish. In Romanian it is a form of the name "Helen", and a hypocoristic for Ileana is Nuţi. In Romanian mythology, Ileana Cosânzeana is a mythological feminine figure represented as a beautiful good-natured princess, embodying the concept of feminine beauty. Ileana or Illeana may refer to: