| MRIA | Marine Renewables Industry Association 
| Others |
| MRIA | Marketing Research and Intelligence Association
| Others |
| MRIA | Marketing Research Insights and Analytics
| Others |
| MRIA | Marketing Research Intelligence Association
| Others |
| MRIA | Marketing Research Is a AcronymAttic
| Others |
| MRIA | Mattala Rajapaksa International Airport
| Others |
| MRIA | Matter Requiring Immediate Attention
| Others |
| MRIA | Matter(s) Requiring Immediate Attention
| Others |
| MRIA | Member of the Royal Irish Academy
| Others |
| MRIA | Missing Response Implies Agreement
| Others |
| MRIA | Mongolian Renewables Industries Association
| Others |
| MRIA | Mount Royal Improvement Association
| Others |
| MRIA | Multispectral Retinal Image Analysis
| Others |