JKCS
| Acronym | Definition |
|---|---|
| JKCS | Journal of the Korean Chemical Society (South Korea) |
| JKCS | John Knox Christian School (est. 1959; Ontario, Canada) |
| JKCS | Judo-Karate Club Sportschule (German: Judo-Karate Sports Club; Germany) |
| JKCS | Joint Knowledge Caching Server |
| JKCS | John Keells Computer Services Ltd. |