Philosophy
* Microcosm–macrocosm analogy, the view according to which there is a structural similarity between the human being and the cosmosMusic
* Macrocosm (album), seventh studio album by the German electronic composer Peter Frohmader, released in 1990 * '' Makrokosmos'', a series of four volumes of pieces for piano by American composer George Crumb * "Mic-rocosm", a song by American rapper Prodigy from the album '' Hegelian Dialectic'' * ''Microcosm'' (album), 2010 album by Flow *Biology
* Microcosm (experimental ecosystem), a small scale contained and controlled ecosystem *''Literature and publishing
* Microcosm Publishing, an independent publisher and distributor based in Portland, Oregon, and Bloomington, Indiana, U.S. * '' Microcosm: E. coli and the New Science of Life'', a 2008 book by Carl Zimmer * '' Microcosm: Portrait of a Central European City'', a 2002 book by Norman Davies and Roger Moorhouse * ''Microcosm: The Quantum Revolution In Economics And Technology'' by George GilderOther uses
* Macrocosm (Star Trek: Voyager), 54th episode of Star Trek: Voyager * Microcosm (CERN), a museum near Geneva, Switzerland * Microcosm (clock), a unique clock made by Henry Bridges of Waltham Abbey, England * Microcosm (hypermedia system), an early hypermedia system that predated the World Wide Web * ''Microcosm'' (video game), a 1993 shoot-'em-up by Psygnosis * Microcosm Ltd, a UK software protection company * '' Micro-Cosmos: A Science Fiction Podcast'' * ''Microcosmos'' (film), a 1996 documentary film * The Microcosm, a 19th-century microscope gallery and shop on Regent Street, London, run by Carpenter and WestleySee also
* '' Microcosmic God'', science fiction novelette published in 1941 by American writer Theodore Sturgeon * Microcosmic orbit, a Taoist Qigong energy cultivation technique * Microcosmic salt, a salt found in urine with the formula Na(NH4)HPO4 * '' Microcosmographia Academica'', a short pamphlet on university politics written by F. M. Cornford and published in 1908 * ''