| Abbreviation | Definition |
|---|---|
| MALC | Michigan Advanced Lighting Conference |
| MALC | Mid America Lenders Conference |
| MALC | Mid America Lender's Conference |
| MANTEC | IEEE Conference on MANagement and TEChnology |
| MAPE | IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies |
| MARAC | Mid Atlantic Regional Archives Conference |
| MARAC | Multi Agency Risk Assessment Conferences |
| MARC | Mid America Regulatory Conference |
| MARCUS | Mid Atlantic Regional Conference of Undergraduate Scholarship |
| MARS | Machine Learning, Automation, Robotics, and Space |
| MASC | Midwest Alliance Soccer Conference |
| MASCOT | International Workshop on Modeling, Analysis, and Simulation of COmputer and Telecommunication Systems |
| MASS | IEEE International Conference on Mobile Ad hoc and Sensor Systems |
| MASS | IEEE Symposium on MAss Storage Systems |
| MATAG | Mid-America Trails And Greenways |
| MATC | Mid America Theatre Conference |
| MAV | Maandag Avond Vergadering (Dutch: Monday Evening Meeting) |
| MBCC | Miami Breast Cancer Conference |
| MBCC | Mission Bay Conference Center |
| MBEC | Medical Billing Executive Conference |