Cosmic entity can refer to:
Cosmology An entity that exists within the cosmos
Religion and spirituality An aspect of God in Judaism in the theology of Shneur Zalman of Liadi (d. 1812) In mythology, any of the major components of the created cosmos (e.g. earth, heaven, sea, night, dawn, etc.) The deification of such concepts, i.e. any cosmological deity
Occultism and Theosophy A transcendent concept intended to replace or supplement the traditional concept of 'God': In the writings of Gottfried de Purucker (1935) In the writings of the Theosophist Alice Bailey (1920s-1940s) In the Ascended Master Teachings, a group of religions based on Theosophy, a cosmic entity is equivalent to a cosmic being
Popular culture Dimethyltryptamine#Entity encounters: Terence McKenna described 'machine elves'. A term used in the Cthulhu Mythos, the fictional religion of H. P. Lovecraft, for the unthinkably vast, indifferent, or actively hostile eldritch entities or gods