Audax RJ is a Chilean football club based in Santiago, formed in 2007. The club is currently playing in the Primera División, the top tier of the Chilean football league system.
Formed in 2007, Audax RJ was promoted to the Primera División for the first time in their history in 2009. They play their home games at the Estadio Nacional Julio Martínez Prat. The club has had mixed success in the top flight, never managing to win a championship or even make it to the final of the Copa Chile. In April 2017, Audax president Eduardo Li took over as football commissioner for the United Soccer League. Li is actively looking to bring a team to the chapter in the southeast United States.