1818 in Wales

Centuries:	17th; 18th; 19th; 20th; 21st;
Decades:	1790s; 1800s; 1810s; 1820s; 1830s;
See also:	List of years in Wales; Timeline of Welsh history 1818 in The United Kingdom Scotland Elsewhere

This article is about the particular significance of the year 1818 to Wales and its people.

Incumbents

31 March - Joseph Tregelles Price takes out a new lease on Neath Abbey ironworks.
June - In the United Kingdom general election:
- Samuel Homfray becomes MP for Stafford.
- John Jones of Ystrad fails to win Carmarthen.
- Berkeley Thomas Paget, MP for Anglesey, retires from Parliament.
- John Edwards becomes MP for Glamorganshire.
August - John Jenkins (Ifor Ceri), parson of Kerry, and Thomas Burgess, Bishop of St David's, agree "to make an attempt to rekindle the bardic skill and ingenuity of the principality ... by holding eisteddfodau in different places in the four provinces".
The Sirhowy Ironworks, previously run by Richard Fothergill, is leased to Messrs. Harford of Ebbw Vale.
Joseph Harris (Gomer) re-founds the periodical Seren Gomer.
John Jones (Jac Glan-y-gors) becomes landlord of the King's Head in Ludgate Street, London.
Felicia Hemans separates from her husband.

Nicholas Carlisle - A Concise Description of the Endowed Grammar Schools in England and Wales
Charles Norris - A Historical Account of Tenby