MIER
| Acronym | Definition |
|---|---|
| MIER | Malaysian Institute of Economic Research |
| MIER | Ministry of International Economic Relations (Serbia) |
| MIER | Mathematica in Education and Research (quarterly journal) |
| MIER | Mobile Internet Protocol Extensions Rationalization |
| MIER | Multicompartment Immobilized Enzyme Reactor |
| MIER | Membrane-Immobilized Enzyme Reactor (enzyme technology conversion vessel) |