The Argentine Rugby Union (Spanish: Unión Argentina de Rugby, abbreviated "UAR") is the governing body for rugby union in Argentina. It is a member of World Rugby, with a seat on that body's Executive Counci, and a founding member of Sudamérica Rugby.
The UAR organises all the national teams, including Senior (Pumas), U-20 (Pumitas), Argentina XV, Sevens and Women's squads and the franchise Jaguares that participates in SANZAAR's Super Rugby competition.