| MECC | Micellar electrokinetic capillary chromatography | 胶束电动毛细管色谱法 |
| MECC | Maastricht Exhibition and Congress Centre | 马斯特里赫特展览和会议中心 |
| MECC | Medical Education and Communication Company | 医学教育与传播公司 |
| MECC | Metropolitain East Communication Center (Gahanna, OH) | 大都会东部通讯中心（俄亥俄州加哈纳） |
| MECC | Military Education Coordination Conference (now Military Education Coordination Council) | 军事教育协调会议（现为军事教育协调委员会） |
| MECC | Minnesota Educational Computing Corporation (educational software company) | 明尼苏达州教育计算公司（教育软件公司） |
| MECC | Mountain Empire Community College | 山地帝国社区学院 |
| MECC | Memory Expansion Card Connector | 内存扩展卡连接器 |
| MECC | Military Education Coordination Council | 军事教育协调委员会 |
| MECC | Middle East Council of Churches | 中东教会理事会 |
| MECC | Mobile Expandable Container Configuration (shelter) | 移动可扩展集装箱配置（方舱） |
| MECC | Melbourne Exhibition & Conference Centre (Melbourne, Australia) | 墨尔本展览及会议中心(墨尔本,澳大利亚) |
| MECC | Minimum Essential Communications Capability | 最低基本通信能力 |
| MECC | Minimal Extra Corporeal Circuit | 最小体外电路 |