Iblis (Arabic: إِبْلِيسْ, romanized: Iblīs), also known as Shaitan, is the leader of the devils (shayāṭīn) in Islam. According to the Quran, Iblis was thrown out of heaven after refusing to prostrate himself before Adam. In Sufi cosmology, Iblis embodies the cosmic veil supposedly separating the immanent aspect of God's love from the transcendent aspect of God's wrath. He is often compared to the Christian concept of Satan, since both figures were cast out of heaven according to their respective religious narratives. In his role as the master of cosmic illusion in Sufism, he functions in ways similar to the Buddhist concept of Mara.
Islamic theology (kalām) regards Iblis as an example of attributes and actions which God punishes with hell (Nār). Regarding the origin and nature of Iblis, there are two different viewpoints. According to one, Iblis is an angel, and according to the other, he is the father of all the jinn. Quranic exegesis (tafsīr) and the Stories of the Prophets (Qiṣaṣ al-anbiyāʾ) elaborate on Iblis's origin story in greater detail. In Islamic tradition, Iblis is identified with ash-Shayṭān ("the Devil"), often followed by the epithet ar-Rajīm (Arabic: ٱلرَّجِيم, lit. 'the Accursed'). Shayṭān is usually applied to Iblis in order to denote his role as the tempter, while Iblīs is his proper name.