Name
- Gwilym Tew, bard and poet, fl 1460-14801
- Gwyn, Miles, poet, fl before 17th century1
- Gwynfardd Brycheiniog, poet, fl 11801
- Harri Hywel1
- Harri ab Llywelyn1
- Harri, Offeiriad1
- Hen Bodwrda1
- Hillyn1
- Homerus1
- Honorius III, Pope1
- Hughes, Hugh, o Fôn1
- Hughes, Rowland1
- Humphrey Dafydd ab Evan1
- Humphrey ab Hywel1
- Humphreys, Humphrey, Bishop of Bangor and (1701) of Hereford1
- Hutan Banwr1
- Huw Cadwaladyr1
- Huw Ceiriog1
- Huw Cornwy ab Jevan ab Meredydd ab Griffith ab Edward1
- Huw Llwyd Gruffud1