- Hafodyrynys
- Halfway
- Halkyn
- Hanmer
- Harlech
- Haroldston West
- Haverfordwest
- Hawarden
- Hawen
- Hay
- Hay-on-Wye
- Hayscastle
- Hayscastle Cross
- Hebron
- Hendomen
- Hendreforgan
- Hendy
- Hendy-Gwyn
- Henfynyw Upper
- Hengoed
- Henllan
- Henllan
- Henllan Amgoed
- Henry’s Moat
- Henry's Moat
- Hensol
- Heol-ddu
- Heol-y-Cyw
- Herbrandston
- Hermon