JCS may refer to:
Arts and entertainment Jesus Christ Superstar, a 1970 rock opera Jimmie's Chicken Shack, an American alt rock band Jazz Creation Station, the level editor for 1998 game Jazz Jackrabbit 2 JCS (band), a Filipino trio featuring Stefano Mori
JCS - Criminal Psychology (also known as Jim Can't Swim), a true crime YouTube channel about criminal interrogations.
Publications Journal of Cell Science, a British biweekly, first published 1853 Journal of Consciousness Studies, an American quarterly, since 1994 Journal of Croatian Studies, published irregularly since 1960 Journal of Cuneiform Studies, an American assyriological annual since 1947
Schools Joane Cardinal-Schubert High School, Calgary, Canada Judah Christian School, Champaign, Illinois, US Julian Charter School, Julian, California, US
Other uses Jamaican Country Sign Language, an indigenous language isolate Joint Chiefs of Staff (disambiguation), several countries' military leadership Judicial Correction Services, a probation company of the Southeastern US