machinery

mechanophobia

madness

maniaphobia (see also insanity)

magic

rhabdophobia (see also beaten, being)

making changes or moving

trophophobia

many things

polyphobia

marriage

gamophobia

materialism

hylephobia (see also woods)

meat

carnophobia

medicine (taking)

pharmacophobia

memories

mnemophobia

men

androphobia

meningitis

meningitophobia

menstruation

menophobia

mercuruial medicines

hydrargyophobia

metal

metallophobia

meteors

meteorophobia

mice

musophobia

microbes

microbiophobia

mind

psychophobia

mirrors

catoptrophobia

missiles

ballistrophobia (see also bullets)

mites, ticks

acarophobia

mole rat (great)

zemmiphobia

money (touching)

chrematophobia

monsters (or giving birth to monster)

teratophobia

moon

selenophobia

mother-in-law

pentheraphobia

moths

mottephobia

motion or movement

kinesophobia

motor vehicles

motophobia

mushroom (aversion to)

mycophobia

music

musicophobia

myths, stories and lying

mythophobia