• Pagophobia - Fear of ice or frost
• Panphobia - Fear of an unknown cause
• 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
• Parturiphobia - Fear of childbirth
• Pathophobia - Fear of disease
• Patroiophobia - Fear of heredity
• Peccatophobia - Fear of sinning or imaginary crimes
• Pediculophobia - Fear of lice
• Pediophobia - Fear of dolls
• Pedophobia - Fear of babies or children
• Peladophobia - Fear of bald people
• Pellagrophobia - Fear of pellagra
• Peniaphobia - Fear of poverty
• Pentheraphobia - Fear of mother-in-law
• Phagophobia - Fear of swallowing
• Phalacrophobia - Fear of becoming bald
• Pharmacophobia - Fear of drugs
• Pharmacophobia - Fear of medications
• Phasmophobia - Fear of ghosts
• Phengophobia - Fear of daylight or sunshine
• Philemaphobia - Fear of kissing
• Philophobia - Fear of love
• Philosophobia - Fear of philosophy
• Phobophobia - Fear of fear itself or of having a phobia
• Phonophobia - Fear of noises or voices or one's own voice; of telephones
• Photoaugliaphobia - Fear of glaring lights
• Photophobia - Fear of light
• Phronemophobia - Fear of thinking
• Phthiriophobia - Fear of lice
• Phthisiophobia - Fear of tuberculosis
• Phyllophobia - Fear of leaves
• Placophobia - Fear of tombstones
• Plutophobia - Fear of wealth
• Pluviophobia - Fear of rain or of being rained on
• Pneumatiphobia - Fear of spirits
• Pnigophobia - Fear of choking
• Pnigerophobia- Fear of being smothered
• Pocrescophobia - Fear of gaining weight
• Plutophobia - Fear of money
• Pogonophobia - Fear of beards
• Poinephobia - Fear of punishment
• Poliosophobia- Fear of contracting poliomyelitis
• Politicophobia - Fear or abnormal dislike of politicians
• Polyphobia - Fear of many things
• Ponophobia - Fear of overworking or of pain
• Pornophobia - Fear of pornography
• Porphyrophobia - Fear of the color purple
• Potamophobia - Fear of rivers or running water
• Potophobia - Fear of alcohol
• Prosophobia - Fear of progress
• Psellismophobia - Fear of stuttering
• Psychophobia - Fear of mental illness or the mentally ill
• Psychrophobia - Fear of cold
• Pteromerhanophobia- Fear of flying
• Pteridophobia – Fear of ferns
• Pteronophobia - Fear of being tickled by feathers
• Pupaphobia - Fear of puppets
• Pyrexiophobia - Fear of fever
• Pyrophobia - Fear of fire