- Hampton Island
- Hampton Shores
- Hanahan
- Hancock
- Hand
- Hankinson
- Hannah
- Hanover Hills
- Happy Bottom
- Happy Home Subdivision
- Happytown
- Harbin Acres
- Harbor Heights
- Harbor Island
- Harbor Side
- Harbor View
- Harbor Woods
- Harbour Town
- Hardeeville
- Hare Island
- Harleyville
- Harmon Estates
- Harmony
- Harmony
- Harmony Hill
- Harper Crossroads
- Harpers Ridge
- Harris
- Harris Springs
- Harris Town