| MathÉO | | - | French | |
| Mathew | | MATH-yoo | English | |
| Mathghamhain | | - | Ancient Irish | |
| Mathias | | mah-TEE-ahs (German) | French, German, Swedish, Norwegian, Danish | |
| Mathieu | | - | French | |
| Mathilda | | mə-TIL-də (English, Swedish) | English, Swedish, Ancient Germanic | |
| Mathilde | | ma-TEELD (French), mah:-TIL-də (Dutch) | French, German, Dutch, Norwegian, Danish | |
| Mathis | | MAH-tis (German) | German, French | |
| Mathys | | - | French | |
| Matic | | - | Slovene | |
| Matija | | MAH-tee-yah (Croatian, Serbian) | Slovene, Croatian, Serbian | |
| Matilda | | mə-TIL-də (English), MAH-teel-dah (Finnish) | English, Swedish, Finnish | |
| MatjaŽ | | - | Slovene | |
| Matt | | MAT | English | |
| Matthew | | MATH-yoo (English) | English, Biblical | |