| JCK | Jewelers Circular Keystone (magazine) | 珠宝商圆形钥匙（杂志） |
| JCK | Joint Commission on Korea | 朝鲜问题联合委员会 |
| JCK | Java Compatibility Kit (certifies PJava port as Java compatible) | Java兼容性工具包（证明PJava端口与Java兼容） |
| JCK | Johnson County Kansas | 堪萨斯州约翰逊县 |
| JCK | Jeweler's Circular Keystone | 珠宝商的圆石 |
| JCK | Julia Creek, Queensland, Australia | 澳大利亚昆士兰州朱莉娅·克里克 |