アリアンサ・アトレティコ

The club was founded January 18, 1920. It been present for the first time in an end of Peru Cup in 1984 where obtained the subchampionship under Los Espartanos of Pacasmayo. Its income to the Professional Championship obtained it via the Intermediate Phase of 1987. The club has played in the Primera División Peruana since 1988. Alianza has never been national champions since they were promoted. In 1989 it was near to classify to the Copa Libertadores of America, falling 2–0 before Sporting Cristal in an extra match that defined the Regional Tournament.

The club has 3 appearances in three international cups. The first one was in the Copa Sudamericana 2004, in the first round they defeated Coronel Bolognesi but in the second round they were eliminated by Atlético Junior. Their second time that they played in an international cup was in the Copa Sudamericana 2005. In the first round they defeated Universitario and then they were eliminated by Universidad Católica. Their third time that they played in an international cup was in the Copa Sudamericana 2009. In the first round they defeated Deportivo Anzoátegui and then they were eliminated by Fluminense.

In 2011 they were relegated to the Peruvian Segunda División after 23 years.

In 2015, they gained promotion to the Primera División Peruana because of a FIFA Resolution where they still participate.