Aeolian or Eolian may refer to:
- things related to Aeolus, the Greek God of wind or the patriarch of Greeks of Aeolia
- Aeolian harp, a harp that is played by the wind
- Aeolian processes, wind generated geologic processes
- Aeolians, an ancient Greek tribe said to be descended from Æolus
- Aeolian Islands, islands in the Tyrrhenian Sea
- Aeolian mode, a musical mode, the natural minor key
- Aeolic order, aka Aeolian order, an order of architecture
- Aeolian Hall (disambiguation), any one of a number of concert halls of that name
- Aeolian Quartet, a string quartet (1952-1981) based in London
- Aeolian Company a maker of pianolas and piano rolls
- Eolianite, a sandstone formed from wind transported sediment
- Aeolian (album), an album by German post-metal band The Ocean Collective
- Eolian, a volume of poetry by David Bates (poet)
- Eolian (Solar car), a solar car team of the University of Chile