KKS

KKS could refer to:


 * KKS 1925 Kalisz, a football club in Poland
 * Giiwo language (ISO 639-3 code), an Afro-Asiatic language spoken in Nigeria
 * Kankesanthurai, Sri Lanka
 * Kinin–kallikrein system, a hormonal system
 * Kirk Sandall railway station, England
 * Kool Savas, a rap musician from Germany
 * Kristiania Kommunale Sporveie, a defunct tram operator in Oslo, Norway
 * Kuala Kangsar, a toll plaza on the North–South Expressway in Malaysia
 * Kvindelige Kunstneres Samfund, Danish Society of Female Artists
 * Lech Poznań, a football club in Poland
 * KKS Wiara Lecha, a football club founded by its fans
 * The Kirillov-Kostant-Souriau symplectic form of symplectic geometry, see Coadjoint representation.