The Entre Rios Rugby Union (Spanish: Unión Entrerriana de Rugby) (also known by its initials UER) is the organisational body that governs the game of rugby union in Entre Ríos Province, Argentina. It is headquartered in the city of Paraná.
Other clubs then asked to be part of the union from cities such as Diamante, La Paz, Concordia, Concepción del Uruguay, Gualeguay and Nogoyá.
Provincial team
The Unión is represented in the Campeonato Argentino, a competition in which each of the 25 unions that make up the Unión Argentina de Rugby (UAR) participate. The Union's best result was reaching the final in the 1984 edition.