Welsh language poetry has, until quite recently, been regulated by specific verse forms, with the encouragement of the eisteddfod movement. The best known Welsh language poets include:
- Dafydd ap Gwilym (about 1320 - about 1370)
- Dilys Cadwaladr
- Grahame Davies
- Menna Elfyn
- Gwerful Mechain
- John Ceiriog Hughes
- Saunders Lewis (1893-1985)
- Alan Llwyd (current)
- Neirin mab Dwyrei (Aneirin)
- T E Nicholas (Niclas Glais)
- Taliesin
- Edward Williams (Iolo Morganwg)
- William Williams Pantycelyn
- 'Hedd Wyn' (1887-1917)
