| Name | Meaning | Gender | Origin |
|---|
| Maxi | Pet form of names starting with Max | Unisex | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Mercy | Compassion | Female | English |
| Misty | Misty | Female | English |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Moritz | Moor | Unisex | Latin |
| Oscar | Divine spear | Male | English |
| Otto | Wealth | Male | German |
| Paulo | Small | Male | Latin |
| Penny | Weaver | Female | Greek |
| Pepper | Pepper | Female | English |
| Princess | Royal son | Female | English |
| Rain | Rain | Female | English |
| Rambo | | Unisex | Hebrew |
| Rina | Pet form of names in -rina | Female | English |
| River | River | Unisex | English |
| Rogue | | Unisex | Hebrew |
| Roman | Roman | Unisex | Latin |
| Romy | Sea dew | Unisex | Latin |
| Rosie | Rose | Female | Latin |
| Ruby | Red | Female | Latin |
| Sable | Sable (black) | Unisex | English |
| Sabre | | Unisex | Hebrew |
| Sadie | Princess | Female | Hebrew |
| Samantha | Listener | Female | Aramaic |
| Sammy | His name is God | Unisex | Hebrew |
| Sandy | Defending men | Male | Greek |
| Sasha | Defending men | Unisex | Greek |
| Sasquatch | Has extra toes and hence is a bigfoot | Unisex | English |
| Sassy | Lively and spirited | Unisex | English |