| Mercury | | MURK-yə-ree (English) | Roman Mythology (Anglicized) | |
| Meriel | | MER-ee-əl | English (Archaic) | |
| Meritxell | | mu-ree-CHEL | Catalan | |
| Merlin | | MUR-lin (English) | Arthurian Romance, English | |
| Merob | | - | Biblical Latin, Biblical Greek | |
| Merryn | | - | Cornish | |
| Meshach | | MEE-shak (English) | Biblical | |
| Meshullam | | - | Biblical, Hebrew, Biblical Hebrew | |
| Methoataske | | - | Native American, Shawnee | |
| Methodios | | - | Ancient Greek | |
| Methodius | | mə-THO-dee-əs (English) | Ancient Greek (Latinized) | |
| Methuselah | | mə-THOO-zə-lə (English) | Biblical | |
| MetodĚJ | | - | Czech | |
| Metodij | | - | Macedonian | |
| Metodija | | - | Macedonian | |