Hieros (ἱερός) is Greek for "holy" or "sacred". It may refer to:
Ancient Greek religion
See also
Hiero (disambiguation) Hierapolis, a Hellenistic Greek city built on the site of a Phrygian cult center of the Anatolian mother goddess Cybele, in Phrygia in southwestern Anatolia Hierarch, an officer of a church or civic authority who by reason of office has ordinary power to execute laws Hierarchy, an arrangement of items that are represented as being "above", "below", or "at the same level as" one another Hieratic, a cursive writing system used for Ancient Egyptian Hierodeacon, a monk who has been ordained a deacon or deacon who has been tonsured monk in Eastern Orthodox Christianity Hierogamy, a sacred marriage that takes place between gods, especially when enacted in a symbolic ritual where human participants represent the deities Hieroglyph, the formal writing system used in Ancient Egypt for writing the Egyptian language Hieromonk, a person who is both monk and priest in the Eastern Christian tradition Hieronymus, the Latin form of the Ancient Greek name Ἱερώνυμος (Hierṓnymos), meaning "with a sacred name" Hierophant, a person who brings religious congregants into the presence of that which is deemed holy Hierophany, a manifestation of the sacred Hierophylakes, priests for the Eumolpidae involved in performing acts of sacrifice Hierotopy, the creation of sacred spaces viewed as a special form of human creativity and also a related academic field where specific examples of such creativity are studied