1754 in Wales

Incumbents

• Lord Lieutenant of North Wales – George Cholmondeley, 3rd Earl of Cholmondeley
• Lord Lieutenant of Glamorgan – Charles Powlett, 3rd Duke of Bolton ; Other Windsor, 4th Earl of Plymouth
• Lord Lieutenant of Brecknockshire and Lord Lieutenant of Monmouthshire – Thomas Morgan
• Lord Lieutenant of Cardiganshire – Wilmot Vaughan, 3rd Viscount Lisburne
• Lord Lieutenant of Carmarthenshire – vacant until 1755
• Lord Lieutenant of Denbighshire – Richard Myddelton
• Lord Lieutenant of Pembrokeshire – Sir William Owen, 4th Baronet
• Lord Lieutenant of Radnorshire – William Perry
• Bishop of Bangor – Zachary Pearce
• Bishop of Llandaff – Edward Cresset
• Bishop of St Asaph – Robert Hay Drummond
• Bishop of St Davids – Anthony Ellys

Events

• April–May – In the British general election, newly elected MPs include Robert Wynne at Caernarvon Boroughs and Benjamin Bathurst at Monmouth Boroughs.
• John Jenkin opens a Welsh school at Nevern.

Arts and literature

New books

• Richard Rees – Collected sermons, published by Philip Charles
• Ben Simon – Collected works of Dafydd ap Gwilym
• ''Mêr Difinyddiaeth Iachus''

Music

• William Williams (Pantycelyn) – Hosanna i Fab Dafydd, part 2

Births

• 28 October – John Griffiths, medical practitioner and surgeon in the Royal Household
• 25 November – William Parry, minister and author
• date unknown – Charles Hassall, surveyor earliest likely year – Jane Cave, poet

Deaths

• 10 January – Erasmus Lewis, writer and civil servant, 83
• 20 February – John Owen, MP, about 52
• 17 May – Richard Herbert, politician, 49/50
• 26 August – Charles Powlett, 3rd Duke of Bolton, Lord Lieutenant of Glamorgan, 68