Quilmes is a city in the province of Buenos Aires, Argentina, on the coast of the Rio de la Plata on the south east of the Greater Buenos Aires. It is the capital of the borough Quilmes (Partido de Quilmes), and has a population of 230,810. It is located 17 km (11 mi) south of the capital of Buenos Aires, the Autonomous City of Buenos Aires.

Quilmes Atlético Club (Spanish pronunciation: [ˈkilmes aˈtletiko ˈkluβ]) is an Argentine sports club based in the Quilmes district of Greater Buenos Aires. Quilmes is one of the oldest clubs of Argentina still competing in official tournaments, having been founded in 1887. Its football squad currently plays in the Primera División, the top division of the Argentine football league system.