Places beginning with HA in Ohio, United States
- Hackney
- Hagan Addition
- Hageman
- Hageman (historical)
- Hagenbaugh (historical)
- Hagerty (historical)
- Hagler
- Hakes Corners
- Hales Creek
- Hale, Township of
- Haller (historical)
- Hallett
- Halley (historical)
- Halliday Heights (subdivision)
- Hallock
- Halls Corners
- Halls Valley (historical)
- Hallsville
- Halo
- Hambden
- Hambden, Township of
- Hamburg
- Hamburg
- Hamburg (historical)
- Hamden
- Hamer
- Hamersville
- Hamer, Township of
- Hametown
- Hamilton
- Hamilton
- Hamilton, City of
- Hamilton County
- Hamilton Meadows
- Hamilton, Township of
- Hamilton, Township of
- Hamilton, Township of
- Hamilton, Township of
- Hamler
- Hamlet
- Hamley Run
- Hammansburg
- Hammond Crossroad
- Hammondsville
- Hampstead
- Hampton Woods (subdivision)
- Hancock
- Hancock County
- Hanersville
- Hanesville
- Haney (historical)
- Hanford
- Hanging Rock
- Hanley Village
- Hannibal
- Hanover
- Hanover
- Hanover (historical)
- Hanoverton
- Hanover, Township of
- Hanover, Township of
- Hanover, Township of
- Hanover, Township of
- Hanville Corners
- Happy Corners
- Happy Homes
- Happy Hours Addition
- Happy Valley Mobile Home Park
- Harbor
- Harbor Acres
- Harbor Hills
- Harbor Point
- Harbor View
- Harbor View, Village of
- Hard
- Hardin
- Hardin County
- Harding, Township of
- Hardscrabble
- Hardscrabble
- Hardscrabble
- Hardscrabble (historical)
- Hardy, Township of
- Harewood Acres
- Harlan Park
- Harlan, Township of
- Harlem
- Harlem Springs
- Harlem, Township of
- Harley
- Harmar
- Harmon
- Harmons Landing
- Harmony
- Harmony Estates Mobile Home Park
- Harmony, Township of
- Harmony, Township of
- Harper
- Harper
- Harpersfield
- Harpersfield, Township of
- Harpster
- Harries
- Harriett
- Harriettsville
- Harris
- Harrisburg
- Harrisburg
- Harrisburg
- Harrison
- Harrison County
- Harrison Furnace
- Harrison Mills
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrison, Township of
- Harrisonville
- Harrisport (historical)
- Harris, Township of
- Harrisville
- Harrisville, Township of
- Harrod
- Harshasville
- Harter Heights (subdivision)
- Hartford
- Hartford
- Hartford (historical)
- Hartford, Township of
- Hartford, Township of
- Hartland
- Hartland Station
- Hartland, Township of
- Hartleyville
- Hartsburg
- Hartsgrove
- Hartsgrove, Township of
- Hartshorn
- Hartville
- Hartwell
- Hartwood
- Harveysburg
- Har-Win Acres
- Harwood
- Haselton
- Haskins
- Hassan (historical)
- Hastings
- Hatch
- Hatfield
- Hatton
- Hattonia (historical)
- Havana
- Haven Park
- Havens
- Havens Corners
- Havensport
- Haven View
- Haverhill
- Haviland
- Hawks
- Hawk Subdivision
- Hayden
- Haydenville
- Hayes Colony (subdivision)
- Hayes Corners
- Hayes Place (subdivision)
- Hayesville
- Hayesville
- Haynes
- Haynesville (historical)
- Hays Corner
- Haysville (historical)
- Hayward
- Hazael
- Hazelton
- Hazelwood