MGA
- 3-Methylglutaconic aciduria
- Augusto C. Sandino International Airport
- Fels Institute of Government
- Filipino language
- Great America (disambiguation)
- Hercules Graphics Card
- MG MGA
- MGA Entertainment
- Malagasy ariary
- Malta Gaming Authority
- Managing general agent
- Matrox
- Megestrol acetate
- Metal Gear Acid
- Metal Gear Online
- Mga
- Mga (protein)
- Mga (river)
- Mga, max dimerization protein
- Midwestern Governors Association
- Mitsubishi
- Monongahela Railway
- Multiple gender attraction
- Munk School of Global Affairs
- Mutual Gains Approach
- St Anne's College, Oxford
- Universal Transverse Mercator coordinate system
- University of Toronto