1772 in Wales
- May - Walter Siddons appears on stage at Chester and joins the Kemble family troupe.
- The Stepney family of Prendergast sell their Pembrokeshire estates.
- Henry Herbert is promoted to general, shortly before his death.
Arts and literature
- Evan Evans (Ieuan Fardd) - The Love of our Country
- Jinny Jenks - Tour through Wales
- Iolo Morganwg - Dagrau yr Awen
- Daniel Rowland - Pum Pregeth ac Amryw o Hymnau
- William Williams Pantycelyn writes the words of the missionary hymn "O'er the Gloomy Hills of Darkness".
- 10 January - William Jenkins Rees, antiquary (died 1855)
- July - Edward Hughes (Y Dryw), bard (died 1850)
- 25 October - Sir Watkin Williams-Wynn, 5th Baronet (died 1840)