| Acronym | Definition |
|---|
| MTPA | Mauritius Tourism Promotion Authority (Tourism Authority Mauritius; Port Louis, Mauritius) |
| MTPA | Million Tons Per Annum |
| MTPA | Mitsubishi Tanabe Pharma America |
| MTPA | Metric Tons Per Annum |
| MTPA | Mpumalanga Tourism and Parks Agency (South Africa) |
| MTPA | Macau Taxi Passengers Association |
| MTPA | Manheim Township Performing Arts (Lancaster, Pennsylvania) |
| MTPA | Marvin the Paranoid Android (Douglas Adams literary character) |
| MTPA | Methoxy Trifluoromethyl Phenyl acetic Acid |
| MTPA | Music and Theatre Parents Association (Hopewell Valley Central High School; Pennington, NJ) |