| Acronym | Definition |
|---|
| MLL | Major League Lacrosse (professional outdoor lacrosse) |
| MLL | Mannerheimin Lastensuojeluliitto (Finnish) |
| MLL | Modern Languages and Linguistics (University of Maryland, Baltimore County) |
| MLL | Mixed Lineage Leukemia |
| MLL | Microsoft Live Labs |
| MLL | Media Label Library |
| MLL | Multiplicative Linear Logic |
| MLL | Mudra Lifestyle Ltd. (India) |
| MLL | My Lady Love |
| MLL | Mobile Learning Lab |
| MLL | Modern Languages and Literature |
| MLL | myeloid/lymphoid leukemia |
| MLL | Multimedia Learning Lab |
| MLL | Medical Lessons Learned (US Navy) |
| MLL | Maple Leaf Lounge (restaurant; Canada) |
| MLL | Millbrook Press, Inc. (former stock symbol; now MILB) |
| MLL | Minimum Luminance Level (plasma TVs) |
| MLL | Maersk Lines, Limited |
| MLL | Maximum Lobe Length |
| MLL | Majority-Logic-Like |