Ionia was an ancient region of southwestern coastal Anatolia (in present-day Turkey).
Ionia may also refer to:
Places
Greece
United States
- Ionia, Iowa
- Ionia Township, Jewell County, Kansas
- Ionia, Kansas
- Ionia County, Michigan
- Ionia, Michigan
- Ionia Township, Michigan
- Ionia, Missouri
- Ionia, Nebraska
- Ionia, New York (disambiguation), multiple locations
- Ionia (Trevilians, Virginia), a historic plantation house
- Ionia Volcano, east of Newcastle, Nebraska, U.S.
Other places
Fictional locations
People and characters
Other uses
See also