MATR
| Acronym | Definition |
|---|---|
| MATR | Montana Associated Technology Roundtables |
| MATR | Michigan's Assistive Technology Resource (now Michigan’s Integrated Technology Supports) |
| MATR | Matroos (Dutch) |
| MATR | Mid-Atlantic Twin Registry (Virginia Commonwealth University; Richmond, VA; est. 1997) |
| MATR | Minimum Average Time Requirement |
| MATR | MOPITT (Measurements of Pollution in the Troposphere) Airborne Test Radiometer |