| Name | Meaning | Gender | Origin |
|---|
| Leon | lion | Male | Greek |
| Leonard | lion-hearted | Male | |
| Leroy | The king.
| Male | |
| Lester | Fortified place.
| Male | English |
| Lew | Refuge | Unisex | |
| Lewis | Renowned fighter. Form of Louis.
| Male | English |
| Lincoln | Capital of Nebraska, USA. Old English: home by the pond | Male | English |
| Louis | famed warrior | Male | |
| Lucio | Spanish form of Luke light
| Male | |
| Lyle | island | Male | Scottish |
| Malcolm | Royal Blood | Male | Scottish |
| Marcus | warlike | Male | Latin |
| Mark | warlike | Male | Latin |
| Marshall | Man who looks after a nobleman's estate, keeper of the horses; steward | Male | |
| Martin | Warlike person. | Male | Latin |
| Marvin | beautiful sea; good friend | Male | Welsh |
| Matthew | Gift of the Lord | Male | Hebrew |
| Maurice | moorish; dark; moor land | Male | Latin |
| Max | Large spring | Male | English |
| Max | Large spring | Male | English |
| Melvin | Chief
| Male | English |
| Mervyn | Famous Friend | Male | English |
| Michael | who is like God | Male | Hebrew |
| Michel | Who Is Like God | Male | French |
| Mikhail | Who Is Like God | Male | Russian |