JKS may refer to:
Organizations Japan Karate Shoto Federation, a karate association founded by Tetsuhiko Asai Jatiya Krishak Samity, a farmers organization in Bangladesh JKS Restaurants, owners of Indian restaurants in London including Gymkhana
People J. K. Simmons (born 1955), American actor James Kenneth Stephen (1859–1892), English poet and tutor to Prince Albert Victor JKS (director), an Indian film director Makoto Saitō (wrestler) (born 1974; also Jimmy K-ness J.K.S.), a Japanese professional wrestler for Dragon Gate Jaron-Keawe Sagapolutele (born 2006), American college football quarterback
Other uses Java KeyStore, a repository of security certificates The Journal of Korean Studies, a biannual peer-reviewed academic journal covering Korean studies