| Abbreviation | Definition |
|---|---|
| MSCF | Medical Students Christian Fellowship |
| MSCF | Morning Star Christian Fellowship |
| MSDP | Missionary sons of divine providence |
| MSFS | Missionary of St Francis de Sales |
| MSG | Ministry Strategy Group |
| Msgr | Monseignor |
| MSHR | Missionary Sisters of the Holy Rosary |
| MSHT | Missionary Servants of the Holy Trinity |
| MSIA | Movement of Spiritual Inner Awareness |
| MSLC | Morning Star Lutheran Church |
| MSMBC | Morning Star Missionary Baptist Church |
| MSO | Muslim Student Organization |
| MSP | Manic Street Preachers |
| MSSN | Muslim Students Society Not |
| MSSP | Missionary Society of St Paul |
| MSTA | Moorish Science Temple of America |
| MSTJ | Member of the Vernerable Order ot ST. John |
| MSTS | Meditators Spiritual Travellers Society |
| MSWR | Mormon Studies Weekly Roundup |
| MT | Media Temple |