| Maureen | | maw-REEN, MAWR-een | Irish, English | |
| Maurene | | maw-REEN, MAWR-een | English (Rare) | |
| Maurice | | MAWR-is (English), mə-REES (English), mo-REES (French) | English, French | |
| Maurine | | maw-REEN, MAWR-een | English, Irish | |
| Maverick | | MAV-ə-rik | English | |
| Mavis | | MAY-vis | English | |
| Max | | MAHKS (German), MAKS (English) | German, English, Swedish, Norwegian, Danish, Dutch | |
| Maxence | | - | French | |
| Maxene | | mak-SEEN | English (Rare) | |
| Maxentius | | - | Ancient Roman | |
| Maxima | | - | Ancient Roman | |
| Maxime | | - | French | |
| Maximianus | | - | Ancient Roman | |
| Maximilian | | mahk-see-MEE-lee-ahn (German), mak-si-MIL-ee-ən (English), mak-si-MIL-yən (English) | German, English, Swedish, Norwegian, Danish | |
| Maximiliana | | - | Ancient Roman | |