| JCSS | Japanese Cognitive Science Society | 日本认知科学学会 |
| JCSS | Journal of Computer and Systems Sciences | 计算机与系统科学杂志 |
| JCSS | Jaffee Center for Strategic Studies | 杰菲战略研究中心 |
| JCSS | Jesus Christ Superstar (musical/movie) | 耶稣基督的音乐/电影巨星 |
| JCSS | Joint Communications Support Squadron | 联合通信支援中队 |
| JCSS | Johnson Controls Security Systems | 江森自控安全系统 |
| JCSS | Jordan Center for Strategic Studies | 约旦战略研究中心 |
| JCSS | Joint Country Support Strategy | 联合国家支持战略 |
| JCSS | Jesus Christ SuperStar | 耶稣基督超级明星 |
| JCSS | Jackson County School System | 杰克逊县学校系统 |
| JCSS | Journal of Computer and System Sciences | 计算机与系统科学杂志 |
| JCSS | Jewish Cultural School and Society | 犹太文化学校与社会 |
| JCSS | Japan Calibration Service System | 日本校准服务系统 |
| JCSS | Johnson Capital Special Servicing | 强生资本特殊服务 |
| JCSS | Joint Committee on Seismic Safety | 地震安全联合委员会 |
| JCSS | Jesuit Center for Social Studies | 耶稣会社会研究中心 |
| JCSS | Joint Center for Social Studies | 社会研究联合中心 |
| JCSS | Jefferson County School System | 杰斐逊县学校系统 |