Ilia may refer to:
Science and medicine Apatura ilia or lesser purple emperor, a butterfly Ilium (bone) (plural: "ilia"), pelvic bone
People Ilia (name), numerous Ilia II, the former Catholicos-Patriarch of All Georgia
Places Ilia, Hunedoara, Romania Elis (regional unit), Greece Elis Province, Greece
Arts and literature Ilia, a character in Idomeneo, an opera by Mozart Ilia (The Legend of Zelda), a character in the video game The Legend of Zelda: Twilight Princess Ilia (Star Trek), a character in Star Trek: The Motion Picture Ilia, a nation of the continent Elibe from the Fire Emblem series Ilia the Righteous, a prominent figure of new Georgian literature Rhea Silvia or Ilia, the mother of Romulus and Remus in Roman mythology
Other Illinois Institute of Art – Chicago, a nonprofit institution Ilia (band), a rock band Arturo Umberto Illia (1900–1983), former president of Argentina
See also Elia (disambiguation) Ilija (disambiguation) Ilja Ilya (disambiguation)