The 2013–14 British and Irish Cup was the fifth season of the annual rugby union competition for second tier, semi-professional clubs from Britain and Ireland. Leinster A were the defending champions having won the 2012–13 Final with a 78th minute penalty by Noel Reid to beat Newcastle Falcons 18–17 at their home ground Kingston Park. There has been four different winners and four different losing finalists of the competition in the first four seasons of its existence.