| Matej | | - | Slovak, Slovene, Croatian, Macedonian | |
| Melanija | | - | Serbian, Macedonian, Slovene, Latvian, Lithuanian | |
| Metodij | | - | Macedonian | |
| Metodija | | - | Macedonian | |
| Mihaela | | mee-hah-YE-lah (Romanian), mee-HAH-el-ah (Croatian) | Romanian, Slovene, Croatian, Macedonian | |
| Mihail | | - | Romanian, Bulgarian, Macedonian, Greek | |
| Mihaila | | - | Macedonian | |
| Mila | | - | Russian, Ukrainian, Bulgarian, Czech, Serbian, Croatian, Macedonian | |
| Milan | | MEE-lahn (Czech) | Czech, Slovak, Russian, Serbian, Croatian, Slovene, Bulgarian, Macedonian, Dutch | |
| Mile | | MEE-le (Croatian, Serbian) | Croatian, Serbian, Macedonian | |
| Milena | | mee-LE-nah (Italian) | Bulgarian, Czech, Serbian, Croatian, Slovene, Macedonian, Polish, Russian, Italian | |
| Milica | | MEE-lee-tsah (Serbian, Croatian) | Serbian, Croatian, Slovene, Macedonian | |
| Milka (1) | | - | Serbian, Croatian, Slovene, Macedonian, Bulgarian | |
| MiloŠ | | - | Czech, Slovak, Serbian, Slovene, Croatian, Macedonian | |
| Mira (2) | | - | Bulgarian, Macedonian, Slovene, Croatian, Serbian, Polish | |