Gallicus may refer to:
*
Johannes de Garlandia (music theorist) (fl. c. 1270-1320), French music theorist
*
Johannes Gallicus (humanist) (c. 1415-1473), French humanist
* Gallicus, a
Roman cognomina
* ''Mars gallicus'', a 1635 pamphlet written by
Cornelius Jansen
{{disambiguation