| Name | Gender | Meaning | Favorites |
| Maarimuthu | Boy | Prosperous | |
| Madhialagan | Boy | Intelligent and Handsome | |
| Madhiarasan | Boy | Intelligent | |
| Madhimaran | Boy | Intelligent and Brave | |
| Madhivendan | Boy | Intelligent | |
| Mahesh | Boy | Lord Shiva | |
| Maheswar | Boy | God Shankar | |
| Mani | Boy | A jewel | |
| Manikkam | Boy | Gem | |
| Manikkavel | Boy | God Murugan | |
| Manimaran | Boy | Brave | |
| Manivannan | Boy | Related name of Lord Ayyappa | |
| Mukilan | Boy | Of the clouds | |
| Mukul | Boy | Bud | |
| Murugan | Boy | Tamil God | |
| Murugavel | Boy | God Murugan | |
| Muthu | Boy | Pearl | |
| Muthukumaran | Boy | God Murugan | |
| Muthuraman | Boy | God Raman | |
| Muthuvel | Boy | God Murugan | |