| MEX | Mexico | 墨西哥 |
| MEX | Mexico City, Distrito Federal, Mexico - Juarez International Airport (Airport Code) | 墨西哥联邦区墨西哥城-华雷斯国际机场(机场代码) |
| MEX | Microsoft Exchange | 微软交流群组软件 |
| MEX | Military Exchange | 军事交流 |
| MEX | Mexico City, Mexico | 墨西哥墨西哥城 |
| MEX | Magnetization Exchange | 磁化交换 |
| MEX | Dynamically linked subroutines (Macintosh) (Matlab) | 动态链接子程序(Macintosh)(Matlab) |
| MEX | Mesopelagic Export Flux | 中上层出口通量 |
| MEX | Macro Editor expound file (WordPerfect Library) | 宏编辑器阐述文件(WordPerfect库) |
| MEX | CBOE Mexico Index | CBOE墨西哥指数 |
| MEX | Materials Exchange (Recycling Council of British Columbia) | 材料交易所(不列颠哥伦比亚省回收委员会) |
| MEX | Mesopelagic Export Mooring | 中上层出口系泊 |
| MEX | Mobile Exploration System | 移动勘探系统 |
| MEX | Mexican | 墨西哥人 |
| MEX | mexiletine | 美西林 |
| MEX | Mexican food | 墨西哥食品 |