| Manoela | | - | Portuguese (Brazilian) | |
| Mansur | | - | Arabic, Turkish, Indonesian | |
| Manuel | | mah-NWEL (Spanish), man-oo-EL (Portuguese), MAHN-oo-el (German) | Spanish, Portuguese, German, English, Italian, French, Romanian, Late Greek (Latinized) | |
| Manuela | | mah-noo-E-lah (German), mah-NWE-lah (Italian) | Spanish, Portuguese, Romanian, German, Italian | |
| Mao (1) | | mah-o | Japanese | |
| MaraĴA | | mah-RAH-zhah | Esperanto | |
| Marama | | - | Polynesian Mythology | |
| Marcelinho | | - | Portuguese | |
| Marcelino | | mahr-the-LEE-no (Spanish), mahr-se-LEE-no (Latin American Spanish) | Spanish, Portuguese | |
| Marcelo | | mahr-THE-lo (Spanish), mahr-SE-lo (Latin American Spanish) | Spanish, Portuguese | |
| Marciana | | - | Ancient Roman, Portuguese (Brazilian) | |
| Marciane | | - | Portuguese (Brazilian) | |
| Marciano | | - | Portuguese, Spanish, Italian | |
| Marco | | MAHR-ko (Italian, Spanish, Dutch) | Italian, Spanish, Portuguese, German, Dutch | |
| Marcos | | MAHR-kos (Spanish), MAR-koos (Portuguese) | Spanish, Portuguese | |