| Acronym | Definition |
|---|
| MASL | Major Arena Soccer League (est. 2008) |
| MASL | Meters Above Sea Level |
| MASL | Maine Association of School Libraries (est. 1974) |
| MASL | Missouri Association of School Librarians (Jefferson City, MO) |
| MASL | Master of Arts in Servant Leadership (Viterbo University; LaCrosse, WI) |
| MASL | Maryland Association of School Librarians |
| MASL | Muslim Aid Sri Lanka |
| MASL | MetaFrame Access Suite Licensing (software) |
| MASL | Minimum Acceptable Service Level (various organizations) |
| MASL | Military Articles & Services List |
| MASL | Mid-Atlantic Area Soccer League (Wilmington, Delaware) |