MASO
| Acronym | Definition |
|---|---|
| MASO | Malaysian Association for the Study of Obesity |
| MASO | Management Analysis and Services Office (US CDC; Atlanta, GA) |
| MASO | Mexican American Student Organization |
| MASO | Munitions Accountable Systems Officer |
| MASO | Munition Accountable Supply Officer |
| MASO | Model and Analysis Support Office (US DoD) |
| MASO | Male Accessory Sex Organ |