Icaria is a Greek island.

Icaria or Ikaria may also refer to:

Icarians, a utopian movement SS Ikaria, a steamship Icaria (wasp), a genus of wasp Ikaria (genus), a genus of extinct bilaterian animals Icaria (film), a Russian fantastic drama film Icaria Planum, a region of Mars Icaria Fossae, a system of fractures on Mars