| Acronym | Definition |
|---|
| MACL➣Multiarm Caliper Log (energy production) |
| MACL➣Mid America Clinical Laboratories (Indianapolis, IN) |
| MACL➣Master of Arts in Christian Leadership (various universities) |
| MACL➣Mini Auto Club Loudunais (French: Mini Car Club Loudunais; Loudun, France) |
| MACL➣Milwaukee Academy of Chinese Language (Milwaukee, WI) |
| MACL➣Marine Aquarium Club of London (saltwater aquarium enthusiasts; London, Ontario, Canada) |
| MACL➣Meaning and Computation Lab (University of California, San Diego; San Diego, CA) |