| MCLC | Maine Community Law Center 
| Others |
| MCLC | Maricopa County Library Council
| Others |
| MCLC | Marine Corps Logistics Command
| Others |
| MCLC | Massachusetts Collaborative Law Council
| Others |
| MCLC | Master Certified Life Coach
| Others |
| MCLC | Master Christian Life Coach
| Others |
| MCLC | Mata Chess League Co-ed, Concord, California
| Others |
| MCLC | McDonald Cadet Leadership Conference
| Others |
| MCLC | McDonald Conference for Leaders of Character
| Others |
| MCLC | Media Communications Learning Center
| Others |
| MCLC | Miamisburg Christian Learning Center
| Others |
| MCLC | Michael Czichotzki Learning Center
| Others |
| MCLC | Microsoft Certified Learning Consultant
| Others |
| MCLC | Miguel Contreras Learning Complex
| Others |
| MCLC | Milwaukee Conservation Leadership Corps
| Others |
| MCLC | Mine clearing line charge
| Others |
| MCLC | Modern Chinese Literature and Culture
| Others |
| MCLC | MOOC centered learning community
| Others |