1978 in Wales

Centuries:	18th; 19th; 20th; 21st; ;
Decades:	1950s; 1960s; 1970s; 1980s; 1990s;
See also:	List of years in Wales; Timeline of Welsh history 1978 in The United Kingdom Scotland Elsewhere

This article is about the particular significance of the year 1978 to Wales and its people.