The 2014–15 British and Irish Cup is the sixth season of the annual rugby union competition for second tier, semi-professional clubs from Britain and Ireland.

[1] The Welsh teams selection is based on regional play-offs involving the 2013–14 Premier Division clubs at the start of the season.

Teams gained home advantage depending upon their finishing position at the end of last season.

[3] The two constituent clubs of the Cardiff Blues played in a one-off game to determine the region's representative in the Cup.

With three teams making up the Ospreys region, Aberavon and Neath faced each other first, with the winner going into the final play-off with Bridgend.