| MTMA | Machine Tool Magazine Agency
| Others |
| MTMA | Machine Tool Merchants Association
| Others |
| MTMA | Machine Tools Manufacturers Association
| Others |
| MTMA | Malaysian Textile Manufacturers Association
| Others |
| MTMA | Mantua Township Missile Agency
| Others |
| MTMA | Masa Totala Maxima Autorizata
| Others |
| MTMA | Mazda Team Mid Atlantic
| Others |
| MTMA | Mid Town Music Academy
| Others |
| MTMA | Military Terminal Manoeuvring Area
| Others |
| MTMA | Military Traffic Management Agency
| Others |
| MTMA | Moon Township Municipal Authority
| Others |
| MTMA | More Than Me Academy
| Others |
| MTMA | Mountain Tailgate Market Association
| Others |
| MTMA | Multi transceiver multiple access
| Others |
| MTMA | Musical Treasures from Moravian Archives
| Others |
| MTMA | My Trip My Adventure
| Others |
| MTMA | Myanmar Timber Merchants Association
| Others |