"Samhainophobia" is the fear of Halloween. Here are 21 other phobias that are relevant to October 31st...
Achluophobia- Fear of darkness.
Arachnephobia or Arachnophobia- Fear of spiders.
Astraphobia or Astrapophobia- Fear of thunder and lightning.
Automatonophobia- Fear of ventriloquist's dummies, animatronic creatures, wax statues - anything that falsly represents a sentient being.
Bogyphobia- Fear of bogeys or the bogeyman.
Demonophobia or Daemonophobia- Fear of demons.
Helminthophobia- Fear of being infested with worms.
Herpetophobia- Fear of reptiles or creepy, crawly things.
Hemophobia or Hemaphobia or Hematophobia- Fear of blood.
Homichlophobia- Fear of fog.
Lygophobia- Fear of darkness.
Myxophobia- Fear of slime. (Blennophobia)
Necrophobia- Fear of death or dead things.
Noctiphobia- Fear of the night.
Paraskavedekatriaphobia- Fear of Friday the 13th.
Phasmophobia- Fear of ghosts.
Satanophobia- Fear of Satan.
Spectrophobia- Fear of specters or ghosts.
Taphephobia Taphophobia- Fear of being buried alive or of cemeteries.
Wiccaphobia: Fear of witches and witchcraft.
*Click here for a complete list of phobias (including the boring ones that have absolutely nothing to do with Halloween).