| Abbreviation | Definition |
|---|---|
| MBCA | Mt Bethel Christian Academy |
| MBCB | Mississippi Baptist Convention Board |
| MBCM | Mennonite Brethren Church of Manitoba |
| MBE | Mary Baker Eddy |
| MBF | Missouri Baptist Foundation |
| MBHC | Mississippi Baptist Historical Commission |
| MBK | My Brother`s Keeper |
| MBMCA | Manual of Business Methods in Church Affairs |
| MBRN | Muslims in Britain Research Network |
| MBS | Mind Body Soul |
| MBT | Machakara Balamurugan Temple |
| MBT | Mansfield Baptist Temple |
| MBTS | Midwestern Baptist Theological Seminary |
| MC | Messiah Complex |
| MCA | McKinney Christian Academy |
| MCA | Muslim |
| MCAA | Minnesota Christian Athletic Association |
| MCB | Muslim Council of Britain |
| MCC | Mennonite Central Committee |
| MCC | Metropolitan Community Church |