| Marzun | Persian name meaning 'young warrior' or 'bringer of good news' |
| Masd | Arabic name meaning 'young man' or 'youth' |
| Mashael | Arabic name meaning 'bringer of good fortune' |
| Mashqur | Arabic name meaning 'blessed' or 'fortunate' |
| Mashrafi | Arabic name meaning 'blessed with wealth' |
| Masiri | Arabic name meaning 'blessed with prosperity' |
| Masus | Arabic name meaning 'blessed with good fortune' |
| Masyal | Arabic name meaning 'blessed with wisdom' |
| Macgyver | Scottish surname derived from the Gaelic 'mac,' meaning 'son of' and 'Gyver,' meaning 'archer.' |
| Mackenze | Scottish surname derived from the Gaelic 'mac,' meaning 'son of' and 'Cen,' meaning 'fire' or 'passionate.' |
| Mackinney | God has heard me |
| Macklen | Scottish surname derived from the Gaelic 'mac,' meaning 'son of' and 'Clen,' meaning 'son of the cleric.' |
| Mackson | A short form of Maximulian |
| Maclain | Scottish form of Malcolm, meaning 'devoted to St. Columb' |
| Maclin | Scottish form of Malcolm, meaning 'devoted to St. Columb' |
| Maclovio | Spanish form of Maclovio, meaning 'blessed by God' |
| Macoy | Derived from Macoy, meaning 'son of the red-haired one' |
| Maddux | English surname derived from Maddox, meaning 'son of the son of Madoc' |
| Madhappan | A name meaning Lord of the honey. |
| Madhuraj | The king of sweet sensations. |
| Madieu | French form of Matthew, meaning 'gift of God' |
| Madrigal | Spanish surname derived from Madrigal, meaning 'song or poem' |
| Maelduin | Warrior of the Fortress |
| Maga | A name meaning a great pearl. |
| Mahershalalhashbaz | Hebrew name meaning 'comforter, we have comforted, he has comforted' |
| Mahiteja | One with great brilliance |
| Mahroofsha | A famous and noble royal person. |
| Maicer | Spanish form of Maicer, meaning 'greater' |
| Mairon | Star of the Sea |
| Maitre | One who acts as a wise teacher. |
| Majnoun | One who is deeply in love. |
| Maknun | Covered, hidden, protected |
| Makoa | One who is brave and courageous. |
| Malahat | Derived from Malahat, a place in British Columbia, meaning 'land of the chief' |
| Malakii | A messenger of god |
| Malappa | A name meaning a devotee of the lord. |
| Malcum | Disciple of Saint Columba |
| Maleeq | Derived from Arabic, meaning 'gift of God' |
| Malfoy | Derived from French, meaning 'bad faith' |
| Malindu | A name meaning dark water. |