| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Milko | - | Bulgarian | ||
| Mira (2) | - | Bulgarian, Macedonian, Slovene, Croatian, Serbian, Polish | ||
| Miroslav | mee-rah-SLAHF (Russian) | Czech, Slovak, Russian, Serbian, Croatian, Slovene, Bulgarian, Macedonian, Medieval Slavic | ||
| Mitre | - | Bulgarian, Macedonian | ||
| Mladen | MLAH-den (Croatian, Serbian) | Croatian, Serbian, Slovene, Bulgarian, Macedonian | ||
| Momchil | - | Bulgarian |