Phobias B
- Bacillophobia or Microbiophobia - phobia of microbes
- Bacteriophobia - phobia of bacteria
- Ballistophobia - phobia of bullets or missiles
- Barophobia - phobia of gravity
- Basiphobia or Basophobia - phobia of falling
- Bathmophobia - phobia of steep slopes
- Bathophobia - phobia of depth
- Batophobia - phobia of tall buildings
- Batrachophobia or Ranidaphobia - phobia of frogs
- Belonephobia or Aichmophobia - phobia of needles
- Bibliophobia - phobia of books
- Blennophobia or Myxophobia - phobia of slime
- Bogyphobia - phobia of bogeyman
- Botanophobia - phobia of plants
- Bromidrophobia or Autodysomophobia or Bromidrosiphobia - phobia of body odour
- Brontophobia or Astrapophobia or Karaunophobia - phobia of lightning and thunder
- Bufonophobia - phobia of toads