Canonicus (disambiguation)

Canonicus (c. 1565–1647) was a Native American chief of the Narragansett.

Canonicus may also refer to:


 * USS Canonicus, the name of several United States Navy ships
 * Canonicus-class monitor, a class of nine ships built for the Union Navy during the American Civil War
 * Conus canonicus, common name the tiger cone, a species of sea snail
 * Father John Canonicus, who directed the building of St. Joseph's Cathedral, Criciúma, Brazil
 * Canon (priest), from Latin canonicus