rabies

hydrophobia (see also pseudo-rabies)

radiation, X-rays

radiophobia

railways

siderodromophobia

rain

ombrophobia

rape

virginitiphobia

red

erythrophobia (see also blushing)

relatives

syngenesophobia

religious ceremonies

teletophobia

reptiles or creepy, crawly things

herpetophobia

responsibility

hypengyophobia

ridicule

katagelophobia

riding in vehicles

amaxophobia

right-hand side of the body (objects on)

dextrophobia

rivers or running water

potamophobia

robbers

harpaxophobia

rooms (empty)

kenophobia

rooms (crowded)

koinoniphobia

ruin or ruins

atephobia

Russia, Russian

Russophobia

rust

iophobia (see also poisons)