| Name | Meaning | Gender | Origin |
|---|
| Mindy | From Minta - Remembered with love | Female | English |
| Minnow | | Unisex | |
| Miracle | wonder, marvel | Female | Latin |
| Miranda | Admirable
| Female | Latin |
| Miss Kitty | | Unisex | |
| Misty | misty.
| Female | English |
| Misty | misty.
| Female | English |
| Mittens | | Unisex | |
| Mitzi | bitter | Female | |
| Mojo | Good luck charm. | Unisex | |
| Mommy | | Unisex | |
| Monday | Moon day | Female | English |
| Monster | A creature of frightening appearance | Unisex | |
| Moo | | Unisex | |
| Moo | | Unisex | |
| Moon | Moon | Female | American |
| Moonstone | | Unisex | |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | |
| Mouse | A small rodent with a long tail and small rounded ears. | Unisex | |
| Moxi | | Unisex | Hebrew |
| Mr. | | Unisex | |
| Muffin | A small cup shaped cake | Unisex | |
| Mya | Mine | Female | Latin |
| Myrtle | a flower, symbol of victory | Female | Greek |
| Nadia | hope | Female | Russian |