| MMSI | Miniature Munitions/Store Interface | 微型军火/存储接口 |
| MMSI | Military Membership Status Identifier | 军事成员身份标识符 |
| MMSI | Merit Medical Systems, Inc. | Merit Medical Systems公司。 |
| MMSI | Merit Medical Systems Inc | Merit Medical Systems公司 |
| MMSI | Maritime Mobile Service Identity | 海上移动服务标识 |