| Marjani | | - | Eastern African, Swahili | |
| Mark | | MAHRK (English, Russian) | English, Russian, Dutch, Swedish, Norwegian, Danish, Biblical | |
| Marko | | MAHR-ko (Finnish) | Ukrainian, Croatian, Serbian, Slovene, Bulgarian, Macedonian, Finnish, Basque | |
| Markos | | - | Greek, Ancient Greek, Biblical Greek | |
| Markus | | MAHR-kuws (German), MAHR-koos (Finnish) | German, Swedish, Norwegian, Danish, Finnish | |
| Markuss | | - | Latvian | |
| Marlen (1) | | - | Russian | |
| Marlen (2) | | - | German | |
| Marlene | | mahr-LE-nə (German), MAHR-leen (English) | German, English | |
| Marlies | | - | German, Dutch | |
| Marlis | | - | German | |
| Marna | | - | Danish | |
| Marques | | mahr-KEE | African American (Modern) | |
| Marquis | | mahr-KEE | African American | |
| Marquise | | mahr-KEE | African American (Modern) | |