Tsk

Tsk or TSK may refer to:


 * "tsk!", a dental click
 * Tsk Tsk Tsk, an Australian music, art and performance group
 * "TSK", a song by Nas from Magic 3, 2023
 * Galoter process, shale oil extraction technology
 * San-in Chūō Television Broadcasting, a Japanese TV station
 * Takagi-Sugeno-Kang, a system of Fuzzy logic
 * Terrace step kink, a model to describe the thermodynamics of crystal surface formation
 * The Sleuth Kit, computer forensics tools
 * Tiger Schulmann's Karate
 * Tomsk Avia (ICAO: TSK), a Russian airline
 * Transmission security keys
 * Tseku language (ISO 639:tsk), a language of Tibet
 * Turkish Armed Forces (Turkish: Türk Silahlı Kuvvetleri)