Reya

Reya may refer to:
 * Reya (caste), a Hindu caste
 * Reya, a synonym of Burchardia, a genus of herbs endemic to Australia
 * Reya, a diminutive of the Russian female first name Avreya
 * Ivrin Reya Osathanond, real name of Charm Osathanond (b. 1987), Thai actress, model, and host
 * Reya, Soviet radar copied by the Chinese as the Type 351 Radar