Rugby football, often just "rugby", may refer to a number of sports descended from a common form of football developed at Rugby School in England United Kingdom. Rugby union and rugby league, (and, to a lesser extent, American football, Canadian football and Australian Rules Football) are modern sports that originated from rugby football, and are the only two sports likely to be referred to as "rugby" today.

Culture

Comparison of rugby league and rugby union
Rugby league
History of rugby league
Rugby union
History of rugby union
Football
Medieval football