MESO
| Acronym | Definition |
|---|---|
| MESO | Multi-community Environmental Storm Observatory |
| MESO | Marine Environmental Support Office (San Diego, CA) |
| MESO | Musicians Emeritus Symphony Orchestra (Seattle, WA) |
| MESO | Multi-Ethnic Student Organization (various schools) |
| MESO | Municipal Electric Systems of Oklahoma, Inc. (Oklahoma City, OK) |
| MESO | Middle East Studies Organization (City University of New York) |
| MESO | Micro-Enterprise Services Organization (Portland, OR) |