Matthew Mullineux MC was an English rugby union scrum-half who, although not capped for England, was selected for two British Lions tours. He gained one cap during the 1896 tour to South Africa and captained the 1899 tour of Australia. An Anglican minister, he later became a chaplain in the British Army, and was awarded the Military Cross for his actions during the First World War.

The British & Irish Lions is a rugby union team selected from players eligible for the national teams of England, Ireland, Scotland, and Wales. The Lions are a test side and most often select players who have already played for their national team, although they can pick uncapped players who are eligible for any of the four unions. The team tours every four years, with these rotating between Australia, New Zealand and South Africa in order. The most recent test series, the 2021 series against South Africa, was won 2–1 by South Africa.