| Acronym | Definition |
|---|
| MTTA➣Married To The Army |
| MTTA➣Mean Time To Assist |
| MTTA➣Metropolitan Tulsa Transit Authority |
| MTTA➣Machine Tool Technologies Association (United Kingdom) |
| MTTA➣Mount Tahoma Trails Association (Ashford, WA) |
| MTTA➣Multi-Tenant Telecommunications Association |
| MTTA➣Mean Time to Assemble (airborne weapons) |