| Maia (2) | | MAY-ə (English), MIE-ə (English) | Roman Mythology | |
| Mars | | MAHRZ (English) | Roman Mythology | |
| Mercurius | | - | Roman Mythology | |
| Mercury | | MURK-yə-ree (English) | Roman Mythology (Anglicized) | |
| Minerva | | mi-NUR-və (English) | Roman Mythology, English | |
| Naenia | | - | Roman Mythology | |
| Neptune | | NEP-toon (English), NEP-tyoon (English), NEP-choon (English) | Roman Mythology (Anglicized) | |
| Neptunus | | - | Roman Mythology | |
| Nona (1) | | - | Roman Mythology | |
| Numitor | | - | Roman Mythology | |
| Pax | | - | Roman Mythology | |
| Pluto | | PLOO-to (English) | Greek Mythology (Latinized), Roman Mythology | |
| Pollux | | PAHL-uks (English) | Roman Mythology | |
| Pomona | | - | Roman Mythology | |
| Proserpina | | - | Roman Mythology | |