Sarmassophobia - Fear of love play.

Satanophobia - Fear of Satan.

Scabiophobia - Fear of scabies.

Scatophobia - Fear of fecal matter.

Scelerophobia - Fear of bad men, burglars.

Sciaphobia - Fear of shadows.

Sciophobia - Fear of shadows.

Scoleciphobia - Fear of worms.

Scolionophobia - Fear of school.

Scopophobia - Fear of being seen or stared at.

Scoptophobia - Fear of being seen or stared at.

Scotomaphobia - Fear of blindness in visual field.

Scotophobia - Fear of darkness.

Scriptophobia - Fear of writing in public.

Selachophobia - Fear of sharks.

Selaphobia - Fear of light flashes.

Selenophobia - Fear of the moon.

Seplophobia - Fear of decaying matter.

Sesquipedalophobia - Fear of long words.

Sexophobia - Fear of the opposite sex.

Siderodromophobia - Fear of trains, railroads or train travel.

Siderophoia - Fear of stars.

Sinistrophobia - Fear of things to the left, left-handed.

Sinophobia - Fear of Chinese, Chinese culture.

Sitiophobia - Fear of food or eating.

Sitophobia - Fear of foor or eating.

Snakephobia - Fear of snakes.

Soceraphobia - Fear of parents-in-law.

SocialPhobia - Fear of being evaluated negatively in social situations.

Sociophobia - Fear of society or people in general.

Somniphobia - Fear of sleep.

Sophophobia - Fear of learning.

Soteriophobia - Fear of dependence on others.

Spacephobia - Fear of outer space.

Spectrophobia - Fear of specters or ghosts.

Spermatophobia - Fear of germs.

Spermophobia - Fear of germs.

Spheksophobia - Fear of wasps.

Stasibasiphobia - Fear of standing or walking.

Stasiphobia - Fear of standing or walking.

Staurophobia - Fear of crosses or the crucifix.

Stenophobia - Fear of narrow things or places.

Stigiophobia - Fear of Hell.

Stygiophobia - Fear of Hell.

Suriphobia - Fear of mice.

Symbolophobia - Fear of symbolism.

Symmetrophobia - Fear of symmetry.

Syngenesophobia - Fear of relatives.

Syphilophobia - Fear of syphilis.