| Maala | | - | Biblical Latin, Biblical Greek | |
| Macarius | | - | Late Greek (Latinized) | |
| Maeleth | | - | Biblical Latin, Biblical Greek | |
| Magdalene | | mahk-dah-LE-nə (German), MAG-də-lən (English), MAG-də-leen (English) | German, English, Biblical, Biblical Latin, Biblical Greek | |
| Maia (1) | | MAY-ə (English), MIE-ə (English) | Greek Mythology, Roman Mythology, Portuguese, Georgian | |
| Makarios | | - | Late Greek | |
| Manaem | | - | Biblical Greek | |
| Manasses | | - | Biblical, Biblical Latin, Biblical Greek | |
| Manouel | | - | Late Greek | |
| Manuel | | mah-NWEL (Spanish), man-oo-EL (Portuguese), MAHN-oo-el (German) | Spanish, Portuguese, German, English, Italian, French, Romanian, Late Greek (Latinized) | |
| Mariam | | - | Biblical Greek, Georgian, Armenian, Arabic | |
| Marianna | | mer-ee-AN-ə (English), mar-ee-AN-ə (English), mahr-YAHN-nah (Polish) | Italian, English, Hungarian, Slovak, Polish, Greek | |
| Marika | | MAH-ree-kah (Finnish) | Czech, Slovak, Polish, Hungarian, Greek, Finnish, Estonian | |
| Marina | | mah-REE-nah (Italian, Spanish, German, Russian), mə-REEN-ə (English) | Italian, Spanish, Portuguese, German, Swedish, Norwegian, Danish, Dutch, English, Greek, Russian, Uk | |
| Marinos | | - | Greek | |