KCLS

KCLS may refer to:


 * KCLS (defunct), a defunct radio station in Flagstaff, Arizona, United States
 * KCLS (FM), a radio station (101.5 FM) in Leeds, Utah, United States
 * King County Library System, a library system in King County, Washington, United States
 * Chehalis-Centralia Airport's ICAO code for the airport in Washington state