Barrios de Maryland H
- Hampden (23)
- Harbor East (16)
- Harbor Point (5)
- Harford-Echodale-Perring Parkway (7)
- Harlem Park (20)
- Harper's Choice (11)
- Harwood (9)
- Heather Ridge (4)
- Hickory Ridge (38)
- Highland Beach (5)
- Highlandtown (10)
- Hill Rd/FEDEX Field (5)
- Hillandale Prince George's (1)
- Hillcrest Heights (29)
- Hillcrest Orchards (3)
- Hillsdale Park (1)
- Hillsmere Shores (4)
- Historic Baltimore (102)
- Historic City Park (1)
- Historic Heights (6)
- Historic North Hagerstown (1)
- Hoes Heights (3)
- Hollins Park (18)
- Homewood (1)
- Hunting Ridge (2)