| Abbreviation | Definition |
|---|---|
| MLR | Messianic Liturgical Resources |
| MLU | Modern Literal Version |
| MLV | Modern Literal Version |
| MM | Mary Magdalene |
| MM | Maryknoll Missioner |
| MM | Merry Meet |
| MM | Moral Majority |
| MM | Muffin Ministry |
| MMCS | Maltrait Memorial Catholic School |
| MMD | Muslim Medics and Dentists |
| MMDA | Muslim Marriages Divorce Act |
| MMG | Mighty Man of God |
| MMG | Muin Mound Grove |
| MMINT | Medical Ministry International |
| MML | Milli Muslim League |
| MML | Muslim Matrimonial Link |
| MMM | Medical Missionaries of Mary |
| MMO | Missouri Missions Offering |
| MMP | Marian Movement of Priests |
| MMPN | Muslim Media Practitioners of Nigeria |