| JCI | Jersey | 泽西岛 |
| JCI | Japan Concrete Institute | 日本混凝土协会 |
| JCI | Journal of Community Informatics | 社区信息学杂志 |
| JCI | Jacobson Computers Inc. | 雅各布森计算机公司。 |
| JCI | Johnson Controls, Inc. | 江森自控公司。 |
| JCI | Junior Chamber International | 国际青年商会 |
| JCI | Japan Craft Inspection Organization | 日本工艺检验组织 |
| JCI | Johannesburg Consolidated Investment Company Limited | 约翰内斯堡联合投资有限公司 |
| JCI | Journal of Clinical Investigation | 临床研究杂志 |
| JCI | Joint Communications Instruction | 联合通信指令 |
| JCI | Industrial Airport, Kansas City, Missouri USA | 美国密苏里州堪萨斯城工业机场 |
| JCI | Joint Commission International | 国际联合委员会 |
| JCI | Joint Council Initiative | 联合理事会倡议 |
| JCI | Jupiter Communications, Inc. (New York City) | Jupiter Communications，Inc.（纽约市） |
| JCI | Jarvis Collegiate Institute | 维斯高中 |
| JCI | Judges Certification Incorporated | 法官认证公司 |
| JCI | Journal of Communication Inquiry | 通讯查询杂志 |
| JCI | Johnson Controls International | 江森自控国际 |
| JCI | Just Continuous Improvement | 只是持续改进 |