Pagophobia- Fear of ice or frost.
Panthophobia- Fear of suffering and disease.
Panophobia or Pantophobia- Fear of everything.
Papaphobia- Fear of the Pope.
Papyrophobia- Fear of paper.
Paralipophobia- Fear of neglecting duty or responsibility.
Paraphobia- Fear of sexual perversion.
Parasitophobia- Fear of parasites.
Paraskavedekatriaphobia- Fear of Friday the 13th.
Parthenophobia- Fear of virgins or young girls.
Pathophobia- Fear of disease.
Patroiophobia- Fear of heredity.
Parturiphobia- Fear of childbirth.
Peccatophobia- Fear of sinning or imaginary crimes.
Pediculophobia- Fear of lice.
Pediophobia- Fear of dolls.
Pedophobia- Fear of children.
Peladophobia- Fear of bald people.
Pellagrophobia- Fear of pellagra.
Peniaphobia- Fear of poverty.
Pentheraphobia- Fear of mother-in-law. (Novercaphobia)
Phagophobia- Fear of swallowing or of eating or of being eaten.
Phalacrophobia- Fear of becoming bald.
Phallophobia- Fear of a penis, esp erect.
Pharmacophobia- Fear of taking medicine.
Phasmophobia- Fear of ghosts.
Phengophobia- Fear of daylight or sunshine.
Philemaphobia or Philematophobia- Fear of kissing.
Philophobia- Fear of falling in love or being in love.
Philosophobia- Fear of philosophy.
Phobophobia- Fear of phobias.
Photoaugliaphobia- Fear of glaring lights.
Photophobia- Fear of light.
Phonophobia- Fear of noises or voices or one’s own voice; of telephones.
Phronemophobia- Fear of thinking.
Phthiriophobia- Fear of lice. (Pediculophobia)
Phthisiophobia- Fear of tuberculosis.
Placophobia- Fear of tombstones.
Plutophobia- Fear of wealth.
Pluviophobia- Fear of rain or of being rained on.
Pneumatiphobia- Fear of spirits.
Pnigophobia or Pnigerophobia- Fear of choking of being smothered.
Pocrescophobia- Fear of gaining weight. (Obesophobia)
Pogonophobia- Fear of beards.
Poliosophobia- Fear of contracting poliomyelitis.
Politicophobia- Fear or abnormal dislike of politicians.
Polyphobia- Fear of many things.
Poinephobia- Fear of punishment.
Ponophobia- Fear of overworking or of pain.
Porphyrophobia- Fear of the color purple.
Potamophobia- Fear of rivers or running water.
Potophobia- Fear of alcohol.
Pharmacophobia- Fear of drugs.
Proctophobia- Fear of rectums.
Prosophobia- Fear of progress.
Psellismophobia- Fear of stuttering.
Psychophobia- Fear of mind.
Psychrophobia- Fear of cold.
Pteromerhanophobia- Fear of flying.
Pteronophobia- Fear of being tickled by feathers.
Pupaphobia – Fear of puppets.
Pyrexiophobia- Fear of Fever.
Pyrophobia- Fear of fire.
Radiophobia- Fear of radiation, x-rays.
Ranidaphobia- Fear of frogs.
Rectophobia- Fear of rectum or rectal diseases.
Rhabdophobia- Fear of being severely punished or beaten by a rod, or of being severely criticized. Also fear of magic.(wand)
Rhypophobia- Fear of defecation.
Rhytiphobia- Fear of getting wrinkles.
Rupophobia- Fear of dirt.
Russophobia- Fear of Russians.