Akashic Records (sometimes interchanging "library" and "records", sometimes spelled Akashik) is a library of all knowledge, located in the Astral Plane.
- In theosophy and anthroposophy, the Akashic records are a compendium of all human events, thoughts, words, emotions and intent ever to have occurred, believed by theosophists to be encoded in a non-physical plane of existence known as the etheric plane.
- Akasha (ākāśa आकाश) is the Sanskrit word for "aether" or "atmosphere". Also, in Hindi, Akash (आकाश) means "sky" or "heaven".
- The Sanskrit term akasha was introduced to the language of theosophy through H. P. Blavatsky (1831–1891), who characterized it as a sort of life force; she also referred to "indestructible tablets of the astral light" recording both the past and future of human thought and action, but she did not use the term "akashic". The notion of an akashic record is attributed to Alfred Percy Sinnett, who, in his book Esoteric Buddhism (1883), wrote of a Buddhist belief in "a permanency of records in the Akasa" and "the potential capacity of man to read the same." By C. W. Leadbeater's Clairvoyance (1899) the association of the term with the idea was complete, and he identified the akashic records by name as something a clairvoyant could read. In his 1913 'Man: How, Whence, and Whither?', Leadbeater claims to record the history of Atlantis and other civilizations as well as the future society of Earth in the 28th century.
- The Austrian theosophist and later founder of Anthroposophy, Rudolf Steiner, used the concept mainly in a series of articles in his journal Lucifer-Gnosis in 1904 to 1908 where he wrote about Atlantis, Lemuria, etc. Besides this, he used the term in the title of lectures on a Fifth Gospel held in 1913 and 1914, shortly after the foundation of the Anthroposophical Society and Steiner's exclusion from the Theosophical Society Adyar.