(Κασσιανός), a Christian writer who was, according to Clemens of Alexandria (apud Hieron. Catal. Script. Eccles. 38), the author of a chronological work (Χρονολραφία). He may be the same as the Julius Cassianus from whose work "De Continentia" a fragment is quoted by Eusebius (Hist. Eccles. 6.13), and is perhaps also no other person than the Cassianus whose first book of a work entitled is quoted by Clemens of Alexandria. (Strom. i. p. 138.)