CEK

CEK may refer to:
 * College of Engineering, Karunagappally, a Government Engineering College in Kollam district of Kerala, India
 * Cek (Quba), a village in the Quba Rayon of Azerbaijan
 * Cek dialect, a dialect of the Kryts language, a Samur language of Azerbaijan
 * Chelyabinsk Airport, in Russia
 * Content encryption key, a cryptographic key type
 * Eastern Khumi language (ISO 639-3: cek), Kukish language of Burma
 * Özgür Çek (born 1991), Turkish footballer