Hywel Dda | Hywel Bennett | Saint Hywel | Pentre Gwynfryn | Owain ap Hywel Dda | Hywel Williams | Hywel Dda Local Health Board | Hywel ap Rhys | Hywel ap Rhodri Molwynog | Hywel ab Owain Gwynedd |
Notable alumni include Oscar winning actor, Hugh Griffith and noted British novelist Gabriel Fielding, who both attended the school when it was still Llangefni County School, Hollywood Actress and Oscar nominee Naomi Watts, opera tenor Gwyn Hughes Jones, and TV and radio personality Hywel Gwynfryn.