2004 in Wales

Centuries:	19th; 20th; 21st; ; ;
Decades:	1980s; 1990s; 2000s; 2010s; 2020s;
See also:	List of years in Wales; Timeline of Welsh history 2004 in The United Kingdom England Scotland Elsewhere Welsh football: 2003–04 • 2004–05

This article is about the particular significance of the year 2004 to Wales and its people.