Places beginning with HO in Iowa, United States
- Hobarton
- Hocker Estates Mobile Home Park
- Hocking
- Hodge
- Holbrook
- Holiday Mobile Home Court
- Holiday Village
- Holland
- Holland, Township of
- Holly Springs
- Holmes
- Holstein
- Holt
- Holt, Township of
- Holy Cross
- Holy Cross
- Homer
- Homer, Township of
- Homer, Township of
- Homestead
- Homestead Colony
- Hometown-Cedar Terrace
- Hometown Lakeside Mobile Home Park
- Honey Creek
- Honey Creek, Township of
- Honey Creek, Township of
- Hopeville
- Hopkinton
- Hoprig
- Hornick
- Horton
- Horton, Township of
- Hospers
- Houghton
- Howard Center, Township of
- Howard County
- Howard, Township of
- Howard, Township of
- Howard, Township of
- Howard, Township of
- Howardville
- Howe
- Howell (historical)