| MMCS | International Conference on Multimedia Computing and Systems | 多媒体计算与系统国际会议 |
| MMCS | Mass Memory Control Subsystem | 大容量存储器控制子系统 |
| MMCS | Multi-Media Conferencing Service | 多媒体会议服务 |
| MMCS | Multi-Media Communications System | 多媒体通信系统 |
| MMCS | MIPMANET Cell Switching | MIPMANET小区交换 |
| MMCS | Mobile Multipurpose Control Station | 移动多用途控制站 |
| MMCS | Machinist's Mate, Senior Chief (USN Rating) | 机械师的伴侣,高级长官(舰钩挂等级) |
| MMCS | Senior Chief Machinist's Mate | 高级首席机械师的伴侣 |