Papus was a pseudonym of the French physician, hypnotist, and occultist Gérard Encausse (1865–1916), founder of the modern Martinist Order.
Papus may also refer to:
El Papus, a Spanish satirical magazine a Roman family name; see Aemilia gens § Aemilii Papi Quintus Aemilius Papus (3rd century BC), Roman general and statesman Lucius Aemilius Papus (3rd century BC), Roman general and statesman who held a series of offices in the emperor's service Marcus Aemilius Papus (2nd century BC), Roman senator Protilema papus, an Indonesian species of beetle in the family Cerambycidae
See also Pappus (disambiguation)