| MARSH | Marine Aquarium and Reef Society of Houston 
| Others |
| MARSH | Matching Aid to Restore State Habitat
| Others |
| MARSH | Matching Aid To Restore States Habitat
| Others |
| MARSH | Materializing and Activating Radical Social Habitus
| Others |
| MARSH | Multiple Attribute Recognition System for Hydrophytes
| Others |
| MARSH | Music Art Research Science and Hops
| Others |
| MARSH | Musicians Artists Recordmakers Superfine Hang
| Others |
| MARSH | Musicians Artists Recordmakers Superfine Hangout
| Others |