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