Fear of:

  Phobia

13, number  Triskadekaphobia.
8, number  Octophobia.

Abuse: sexual

 Contreltophobia.

Accidents

 Dystychiphobia.

Air

 Anemophobia.

Air swallowing

 Aerophobia.

Airborne noxious substances

 Aerophobia.

Airsickness

 Aeronausiphobia.

Alcohol

 Methyphobia or Potophobia.

Alone, being

 Autophobia or Monophobia.

Alone, being or solitude

 Isolophobia.

Amnesia

 Amnesiphobia.

Anger

 Cholerophobia.

Angina

 Anginophobia.

Animals

 Zoophobia.

Animals, skins of or fur

 Doraphobia.

Animals, wild

 Agrizoophobia.

Ants

 Myrmecophobia.

Anything new

 Neophobia.

Asymmetrical things

 Asymmetriphobia

Atomic Explosions

 Atomosophobia.

Automobile, being in a moving

 Ochophobia.

Automobiles

 Motorphobia.

Bacteria  Bacteriophobia.
Bald people  Peladophobia.
Bald, becoming  Phalacrophobia.
Bathing  Ablutophobia.
Beards  Pogonophobia.
Beaten by a rod or instrument of punishment, or of being severely criticized  Rhabdophobia.
Beautiful women  Caligynephobia.
Beds or going to bed  Clinophobia.
Bees  Apiphobia or Melissophobia.
Bicycles  Cyclophobia.
Birds  Ornithophobia.
Black  Melanophobia.
Blindness in a visual field  Scotomaphobia.
Blood  Hemophobia, Hemaphobia or  
 Hematophobia.
Blushing or the color red  Erythrophobia, Erytophobia or
 Ereuthophobia.
Body odors  Osmophobia or Osphresiophobia.
Body, things to the left side of the body  Levophobia.
Body, things to the right side of the body  Dextrophobia.
Bogeyman or bogies  Bogyphobia.
Bolsheviks  Bolshephobia.
Books  Bibliophobia.
Bound or tied up  Merinthophobia.
Bowel movements: painful  Defecaloesiophobia.
Brain disease  Meningitophobia.
Bridges or of crossing them  Gephyrophobia.
Buildings: being close to high buildings  Batophobia.
Bullets  Ballistophobia.
Bulls  Taurophobia.
Bums or beggars  Hobophobia.
Burglars, or being harmed by wicked persons  Scelerophobia.
Buried alive, being or cemeteries  Taphephobia or Taphophobia.