| Macrophobia |
Fear of long waits. |
| Mageirocophobia |
Fear of cooking. |
| Maieusiophobia |
Fear of childbirth. |
| Malaxophobia |
Fear of love play. (Sarmassophobia) |
| Maniaphobia |
Fear of insanity. |
| Mastigophobia |
Fear of punishment. |
| Mechanophobia |
Fear of machines. |
| Medomalacuphobia |
Fear of losing an erection. |
| Medorthophobia |
Fear of an erect penis. |
| Megalophobia |
Fear of large things. |
| Melanophobia |
Fear of the color black. |
| Melissophobia |
Fear of bees. |
| Melophobia |
Fear or hatred of music. |
| Meningitophobia |
Fear of brain disease. |
| Menophobia |
Fear of menstruation. |
| Merinthophobia |
Fear of being bound or tied up. |
| Metallophobia |
Fear of metal. |
| Metathesiophobia |
Fear of changes. |
| Meteorophobia |
Fear of meteors. |
| Methyphobia |
Fear of alcohol. |
| Metrophobia |
Fear or hatred of poetry. |
| Microbiophobia |
Fear of microbes. (Bacillophobia) |
| Microphobia |
Fear of small things. |
| Misophobia |
Fear of being contaminated with dirt of germs. |
| Mnemophobia |
Fear of memories. |
| Molysmophobia or Molysomophobia |
Fear of dirt or contamination. |
| Monopathophobia |
Fear of definite disease. |
| Monophobia |
Fear of solitude or being alone. |
| Motorphobia |
Fear of automobiles. |
| Mottephobia |
Fear of moths. |
| Musophobia or Murophobia |
Fear of mice. |
| Mycophobia |
Fear or aversion to mushrooms. |
| Mycrophobia |
Fear of small things. |
| Myctophobia |
Fear of darkness. |
| Myrmecophobia |
Fear of ants. |
| Mysophobia |
Fear of germs or contamination or dirt. |
| Mythophobia |
Fear of myths or stories or false statements. |
| Myxophobia |
Fear of slime. (Blennophobia) |
