Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *

Circulus (band) Circulus are a psychedelic/ progressive folk band from South London, England, founded by vocalist Michael Tyack. The band uses a mix of modern and medieval instruments, such as the lute, cittern, crumhorn and rauschpfeife, along with the M ...

, a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *

Circulus (theory) Circulus was a socioeconomics doctrine devised by nineteenth-century French utopian socialist Pierre Leroux (1797–1871), who proposed that human excrement be collected by the state in the form of a tax and used as fertiliser, thereby increasing a ...

, a socioeconomics doctrine * Circulus (zoology), a type of reptilian social group

See also