List of MPs for constituencies in Wales (1951–1955)

This is a list of members of Parliament (MPs) elected to the House of Commons of the United Kingdom by Welsh constituencies for the Fortieth Parliament of the United Kingdom (1951–1955).

Most MPs elected for Welsh constituencies at the 1951 United Kingdom general election, held on 25 October 1951, served a full term, but there was one by-election.

The list is sorted by the name of the MP.

By-elections
There was one by-election during this period:


 * 1954 Aberdare by-election won by Arthur Probert