Cassian may refer to:
People Historical St. Cassian of Imola (4th-century–363), Christian martyr St. Cassian of Autun (died 350), Christian bishop of Autun St. John Cassian the ascetic (360–435), French Christian saint and author St. Marcellus the Centurion, martyr of Tingis, sometimes called "Cassian" Cassian Sakowicz (1578–1647), Orthodox activist and, later, a Catholic theologian, writer, and polemicist Cassian of Tangier (3rd-century–298), Christian saint
Modern Cassian Elwes (born 1959), British film producer (1899–1990), Russian Orthodox bishop
Surname Ed Cassian (1867–1918), former Major League Baseball player George Cassian, (1932-1979) Canadian yacht designer Nina Cassian (1924–2014), Romanian writer Brigant Cassian (1889–1957), priest and education worker in Hong Kong
Fictional characters Cassian Andor, a character in the Star Wars franchise Cassian, a character in Sarah J. Maas's book series A Court of Thorns and Roses
Places Cassian, Wisconsin, U.S. Cassian River, Quebec, Canada
Other uses Cassian (stage), a geochronologic name in Italian stratigraphy Sabinian school, known as the Cassians
See also
Kassian