1903 in Wales
This article is about the particular significance of the year 1903 to Wales and its people.

Incumbents
Prince of Wales - George (later George V)
Princess of Wales - Mary
Archdruid of the National Eisteddfod of Wales - Hwfa Môn

Events
4 April - Operations begin on
 Welshpool and Llanfair Light Railway.
 Wrexham and District Electric Tramways.
14 November - End of the lock-out at Penrhyn Quarry near Bethesda (begun 1900), the longest major industrial dispute in British history.
Sygun Copper Mine is abandoned.
Closure of the life-boat station on Ynys Llanddwyn.

Arts and literature
Arthur Machen marries Dorothie Purefoy Hudleston.

Awards
National Eisteddfod of Wales - held in Llanelli
Chair - John Thomas Job, "Y Celt"
Crown - John Evans Davies

Cinema
July - William Haggar releases Desperate Poaching Affray, seen as an important influence on the chase genre of film.

New books

English language
J. Romilly Allen - Celtic Art in Pagan and Christian Times
Sabine Baring-Gould - A Book of North Wales
Bertrand Russell - The Principles of Mathematics

Welsh language
Jonathan Ceredig Davies - Awstralia Orllewinol
D. M. Lewis - Cofiant y Diweddar Barchedig Evan Lewis, Brynberian, 1813-96
Llyfe Mormon (translation of the Book of Mormon)

Music

Sport

Births
1 January – Horace Evans, royal physician (died 1963)
9 February – Gipsy Daniels, Welsh boxer
24 March – Gwilym R. Jones, poet and editor (died 1993)
14 April – Glyn Simon, Archbishop of Wales (1968–71; died 1972)
17 April – Thomas Rowland Hughes, novelist, poet and dramatist (died 1949)
1 May – Geraint Goodwin, writer (died 1941)
9 May – Tudor Watkins, Baron Watkins, politician (died 1983)
6 June – Ceri Richards, artist (died 1971)
22 June – Harry Phillips, Wales international rugby player (died 1978)
18 August – Dorothy Edwards, novelist (died 1934)
22 November – David Rees-Williams, 1st Baron Ogmore (died 1976)
2 December – Jim Sullivan, Wales and British Isles rugby league player (died 1977)
6 December
E. D. Jones, librarian of National Library of Wales (died 1987)
Will Paynter, miners’ leader (died 1984)

Deaths
17 February – Joseph Parry, composer, 61
19 February - Samuel Arthur Brain, businessman and politician, 53
8 March – Morgan Thomas, surgeon, 78
12 April – Daniel Silvan Evans, writer and lexicographer, 85
19 June – Herbert Vaughan, Archbishop of Westminster, 71
24 June – Richard Fothergill, coal-owner and politician, 80
15 August – John Pryce, clergyman and writer, Dean of Bangor, 73
13 October – Morgan B. Williams, United States politician, 72
18 September – Sir Llewellyn Turner, politician, 80
9 December – Eliezer Pugh, philanthropist, 87