Papyrophobia - Fear of paper.

Podophobia - Fear of feet.

Porphyrophobia - Fear of the color purple.

Pteridophobia - Fear of ferns.

Pagophobia- Fear of ice or frost.

Panthophobia- Fear of suffering and disease.

Panophobia or Pantophobia- Fear of everything.

Papaphobia- Fear of the Pope.

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.

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.