KS

KS can refer to:

*Kama Sutra, an ancient love practice in India
*Kampfschwimmer, Germany's postwar commando frogman force
*Kartagener syndrome, a rare genetic disorder which causes a defect in the action of the cilia
*Kansas (United States postal abbreviations)
*Kaposi's sarcoma, a tumor caused by Human herpesvirus 8 (HHV8)
*Kaplan-Sheinwold, a bidding system in the game of contract bridge
*Kashmiri language (ISO 639 alpha-2: ks), a Dardic language spoken primarily in the valley of Kashmir
*Keratan sulfate, any of several sulfated glycosaminoglycans found especially in the cornea, cartilage, and bone
*Kernel streaming, a method of processing streamed data
*Key Stage in the UK education system
*Kiasu, a Hokkien (a Chinese spoken variant) word for 'extreme fear of losing' (怕输)
*Kill stealing, a practice in online games of stealing the rewards for defeating an enemy from other players
*Kilosecond (ks), 1000 seconds (16 minutes, 40 seconds)
*King's Scholar, a scholar of Eton College denoted by the letters "KS" after the name in school lists
*King's Serjeant, an obsolete legal position in the United Kingdom
*Klinefelter's Syndrome, a condition caused by a chromosome aneuploidy—affected males have an extra X sex chromosome
*Kolmogorov-Smirnov test, a goodness of fit test used for underlying probability distributions
*Komandittselskap, a Norwegian type of company
*Kosovo, a disputed territory in the Balkans
*PenAir (IATA code: KS), Peninsula Airways, an American airline based in Anchorage, Alaska