Khuramiya (bahasa Persia: خرمدینان Khorram-Dīnân, artinya "orang-orang dari Agama Kebahagiaan") adalah sebuah gerakan agama dan politik Iran yang bermula dari gerakan yang didirikan oleh Mazdak. Nama alternatif untuk gerakan tersebut adalah Muḥammira (bahasa Arab: محمرة, "Orang-orang yang Mengenakan Busana Merah"; dalam bahasa Persia: سرخجامگان Sorkh-Jâmagân), sebuah rujukan kepada busana merah simbolik mereka.
- Arthur Goldschmidt, Lawrence Davidson, “A concise history of the Middle East”, Westview Press; Eighth Edition (July 21, 2005). Pg 81: “..a Persian named Babak whose rebellion lasted twenty years. These uprisings were inspired by Persia’s pre-Islamic religions, such as Zoroastrianism (the faith of the Sassanid ruler) and a peasant movement called Mazdakism”
- Whittow (1996), The Making of Orthodox Byzantium, 600–1025. New studies in medieval history, London: Macmillan, pp. 195, 203 & 215 Azerbaijan was the scene of frequent anti-caliphal and anti-Arab revolts during the eighth and ninth centuries, and Byzantine sources talk of Persian warriors seeking refuge in the 830s from the Caliph's armies by taking service under the Byzantine emperor Theophilos. [...] Azerbaijan had a Persian population and was a traditional centre of the Zoroastrian religion. [...] The Khurramites were a [...] Persian sect, influenced by Shiite doctrines, but with their roots in a pre-Islamic Persian religious movement.
- W. Madelung, "Khurrammiya" in Encyclopaedia of Islam. Edited by: P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel and W.P. Heinrichs. Brill, 2009. Brill Online. Excerpt: "Khurrammiya or Khurramdiniyya refers in the Islamic sources to the religious movement founded by Mazdak in the late 5th century A.D. and to various anti-Arab sects which developed out of it under the impact of certain extremist Shi'i doctorines."