• Ablutophobia – Fear of bathing or washing
• Acarophobia - Fear of itching or of the insects that cause itching
• Acerophobia - Fear of sourness
• Achluophobia – Fear of darkness
• Acousticophobia - Fear of noise
• Acrophobia - Fear of heights
• Aeroacrophobia - Fear of open high places
• Aeronausiphobia - Fear of vomiting secondary to airsickness
• Aerophobia - Fear of flying
• Agateophobia - Fear of insanity
• Agliophobia - Fear of pain
• Agoraphobia - Fear of open spaces or of being in crowded, public places like markets
• Agraphobia - Fear of sexual abuse
• Agrizoophobia - Fear of wild animals
• Agyrophobia - Fear of streets or crossing the street
• Aichmophobia - Fear of needles or pointed objects
• Ailurophobia - Fear of cats
• Albuminurophobia - Fear of kidney disease
• Alektorophobia - Fear of chickens
• Algophobia - Fear of pain
• Alliumphobia - Fear of garlic
• Allodoxaphobia - Fear of opinions
• Altophobia - Fear of heights
• Amathophobia - Fear of dust
• Amaxophobia – Fear of riding in a car
• Ambulophobia - Fear of walking
• Amnesiphobia - Fear of amnesia
• Amychophobia - Fear of scratches or being scratched
• Anablephobia - Fear of looking up
• Anatidaephobia - Fear of ducks watching you
• Ancraophobia - Fear of wind
• Androphobia – Fear of men
• Anemophobia - Fear of air drafts
• Anginophobia - Fear of angina, choking or narrowness
• Anglophobia - Fear of England or English culture
• Angrophobia - Fear of anger or of becoming angry
• Ankylophobia - Fear of immobility of a joint
• Anthrophobia - Fear of flowers
• Anthropophobia – Fear of people or society
• Antlophobia - Fear of floods
• Anuptaphobia - Fear of staying single
• Apeirophobia - Fear of infinity, eternity, and the uncountable
• Aphenphosmphobia – Fear of being touched
• Apiphobia - Fear of bees
• Aporophobia - Fear of people without resources
• Apotemnophobia - Fear of persons with amputations
• Aquaphobia – Fear of water
• Arachibutyrophobia - Fear of peanut butter sticking to the roof of the mouth
• Arachnephobia - Fear of spiders
• Arachnophobia - Fear arachnids such as scorpions
• Arithmophobia - Fear of numbers
• Arrhenphobia - Fear of adult men
• Arsonphobia - Fear of fire
• Asthenophobia - Fear of fainting or weakness
• Astrapophobia - Fear of thunder and lightning
• Astraphobia - Fear of storms
• Astrophobia - Fear of stars or celestial space
• Asymmetriphobia - Fear of asymmetrical things
• Ataxiophobia - Fear of ataxia (muscular incoordination)
• Ataxophobia - Fear of disorder or untidiness
• Atelophobia – Fear of imperfection
• Atephobia - Fear of ruin or ruins
• Athazagoraphobia - Fear of being forgotten or ignored or forgetting
• Atomosophobia - Fear of atomic explosions
• Atychiphobia - Fear of failure • Aulophobia - Fear of flutes
• Aurophobia - Fear of gold
• Auroraphobia - Fear of Northern lights
• Autodysomophobia - Fear of one that has a vile odor
• Automatonophobia - Fear of ventriloquist's dummies, animatronic creatures, wax statues
• Automysophobia - Fear of being dirty
• Autophobia – Fear of being alone
• Aviatophobia - Fear of flying