| Acronym | Definition |
|---|
| MWL | Meteoric Water Line (hydrogeology) |
| MWL | Microworld Winsock Layer |
| MWL | Muslim World League |
| MWL | Made with Love |
| MWL | Mean Water Level |
| MWL | Muslim Women's League (Los Angeles, CA, USA) |
| MWL | Modality Work List (medical imaging) |
| MWL | Maximum Weight Limit (body mass index) |
| MWL | Most Wanted Live (band) |
| MWL | Maximum Working Load |
| MWL | Message Waiting Lamp |
| MWL | Maxwell Show (100.7 WMMS Cleveland) |
| MWL | Multiwire Laboratories, Ltd. (Ithaca, NY) |
| MWL | Murata Welding Laboratories, Inc. (Japan) |
| MWL | Minimum Wage Law |
| MWL | Maple-Willow-Larch (Iowa State University residence association) |
| MWL | MechWarrior Leagues (gaming) |
| MWL | Mirandese Language |
| MWL | Miniature Warning Light |
| MWL | Music Without Labels |
| MWL | Maine Women's Lobby |
| MWL | Municipal Waste Leachate |
| MWL | Modified Whole Life (insurance) |
| MWL | Megawatt Laser |
| MWL | Mario World Level (file extension) |
| MWL | Median Water Level |