The Argentine Rugby Union is the governing body for rugby union in Argentina. It is a member of World Rugby, with a seat on that body's Executive Council, and a founding member of Sudamérica Rugby.

Rugby union in Argentina is a hugely popular team sport. The first rugby match played in the country dates back to 1873, as the game was introduced by the British. The Argentina national team, sometimes referred to as the Pumas, have competed at the Rugby World Cup, and are considered a tier one nation by the sport's governing body, World Rugby.