1770s in Wales

	1760s \| 1780s \| Other years in Wales
	Other events of the decade

This article is about the particular significance of the decade 1770–1779 to Wales and its people.

Events

Thomas Churchyard - The Worthines of Wales, a Poem (1776)
Evan Evans (Ieuan Fardd) - Casgliad o Bregethau (1776)
Williams Evans - A New English-Welsh dictionary: Containing All Words Necessary for Reading an English Author (1771)
Elizabeth Griffith - The Morality of Shakespeare's Drama Illustrated (1775)
Evan Hughes (Hughes Fawr) - Duwdod Crist (1777)
Jinny Jenks - Tour through Wales (1772)
Dafydd Jones - Marwnad Enoch Ffransis (1774)
Hugh Jones (Maesglasau)
- Cydymaith yr Hwsmon (1774)
- Gardd y Caniadau (1776)
Robert Jones
- Lleferydd yr Asyn (1770)
- Drych i'r Anllythrennog (1778)
Iolo Morganwg - Dagrau yr Awen (1772)
Nicholas Owen - British Remains (1777)
Thomas Pennant - British Zoology, vol. 4 (1777)
David Powell (Dewi Nantbrân) - Allwydd y Nef. O gasgliad D.P. Off. (1776)
Daniel Rowland - Pum Pregeth ac Amryw o Hymnau (1772)
Nathaniel Williams - Dialogus (1778)
William Williams Pantycelyn - Ductor Naptiarum: Neu Gyfarwyddwr Priodas (1777)
Sir John Wynn - History of the Gwydir Family (posthumously published in 1770)

1770
- 15 January - Sir John Edwards, Baronet, politician (died 1850)
- 14 April - John Evans, explorer (died 1799)
- 30 April - David Thompson, explorer (died 1857)
1772
- 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)
1773
- 14 November - Stapleton Cotton, 1st Viscount Combermere, military leader (died 1865)
1774
- May - John Elias, preacher (died 1841)
- 24 June - Azariah Shadrach, writer (died 1844)
1775
- 25 November - Charles Kemble, actor (died 1854)
1776
- April - Ann Griffiths, hymn-writer (died 1805)
- 2 August - Thomas Assheton Smith I, industrialist and politician (died 1858)
1777
- 15 June - David Daniel Davis, royal obstetrician (died 1841)
- 29 August - John James, hymn-writer (died 1848)
- 15 September - John Jones of Ystrad, MP (died 1842)
1778
- 29 September - Benjamin Hall, industrialist and politician (died 1817)
1779
- 24 August - Charles Norris, artist (died 1858)

1771
- 15 May - Thomas Morgan (of Rhiwpera), politician, 43
- date unknown
  - Lewis Hopkin, poet
  - Alban Thomas, doctor, librarian and antiquarian
  - Richard Trevor, former bishop of St David's
1772
- 16 October - Richard Farrington, antiquary, 71
1773
- 21 July - Howell Harris, Methodist leader, 59
1774
- date unknown - Dafydd Nicolas, poet
1775
- 14 August - Sir Lynch Cotton, 4th Baronet
1776
- 1 November - Miles Harry, Baptist minister, 76
- date unknown - Sir John Powell Pryce, 6th Baronet (in debtors' prison)
1777
- 4 March - Edward Richard, teacher and poet, 62
- April - John Hodges, Methodist, 77
- 1 July - Sir John Glynne, 6th Baronet, 64
- 30 August - Dafydd Jones, hymn-writer, 66
- 18 December - William Lloyd, translator, 60
1778
- 6 October - William Worthington, priest and author, 74
1779
- 11 December - "Madam" Bridget Bevan, philanthropist, 81