| Maquinna(noun, name, volcano, geology) |
| Masubi(noun, name, volcano, geology) |
| Medvezhya(noun, name, volcano, geology) |
| Mehetia(noun, name, volcano, geology) |
| Mendeleyeva(noun, name, volcano, geology) |
| Miyake-jima(noun, name, volcano, geology) |
| Momotombo(noun, name, volcano, geology) |
| Mount Aragats(name, volcano, geology) |
| Mount Bachelor(expression, name, volcano, geology, inactivity) |
| Mount Bailey(expression, name, volcano, geology, inactivity) |
| Mount Bental(expression, name, volcano, geology, inactivity) |
| Mount Bird(name, volcano, geology) |
| Mount Cayley(name, volcano, geology) |
| Mount Discovery(name, volcano, geology) |
| Mount Edgecumbe(expression, name, volcano, geology, inactivity) |
| Mount Fee(name, volcano, geology) |
| Mount Job(name, volcano, geology) |
| Mount Kenya(name, volcano, geology) |
| Mount Pirongia(name, volcano, geology) |
| Mount Taylor(name, volcano, geology) |