| Michal (1) | | - | Czech, Slovak | |
| Michala | | - | Czech | |
| MikolÁŠ | | - | Czech | |
| MikulÁŠ | | - | Slovak, Czech | |
| Mikula | | - | Czech (Rare) | |
| Mila | | - | Russian, Ukrainian, Bulgarian, Czech, Serbian, Croatian, Macedonian | |
| Milada | | - | Czech | |
| Milan | | MEE-lahn (Czech) | Czech, Slovak, Russian, Serbian, Croatian, Slovene, Bulgarian, Macedonian, Dutch | |
| Milana | | - | Serbian, Croatian, Czech | |
| Milena | | mee-LE-nah (Italian) | Bulgarian, Czech, Serbian, Croatian, Slovene, Macedonian, Polish, Russian, Italian | |
| MiloŠ | | - | Czech, Slovak, Serbian, Slovene, Croatian, Macedonian | |
| Miloslav | | - | Czech, Slovak, Medieval Slavic | |
| Miloslava | | - | Czech, Medieval Slavic | |
| Mirek | | MEE-rek (Polish) | Czech, Slovak, Polish | |
| Miroslav | | mee-rah-SLAHF (Russian) | Czech, Slovak, Russian, Serbian, Croatian, Slovene, Bulgarian, Macedonian, Medieval Slavic | |