MTAN
| Acronym | Definition |
|---|---|
| MTAN | Minerals Technical Advice Note (mining policy advice; Wales, UK) |
| MTAN | Midwest Tribal Aquaculture Network (est. 1992; US FWS) |
| MTAN | Maine Taxpayers Action Network |
| MTAN | Multidrug Transporter Activation Protein |
| MTAN | Music Therapy Association of Northridge (California) |