| Name | Meaning | Details |
|---|---|---|
| Monserrat | Jagged Mountain | View Details |
| Montana | Mountain | View Details |
| Montego | Mountainous | View Details |
| Montenegro | Black Mountain | View Details |
| Montes | Mountains | View Details |
| Montsho | Black | View Details |
| Mora | Blackberry | View Details |
| Nigel | Champion Or Black | View Details |
| Nigella | Champion Or Black | View Details |
| Olimpio | Mountain Of The Gods | View Details |
| Olympia | Mountain Of The Gods | View Details |
| Omeo | Mountains | View Details |
| Onyx | Black Gemstone | View Details |
| Orestes | Mountain Dweller | View Details |
| Orion | Mountain Dweller | View Details |