Kazhdan, also written as Kajdan, Kazdan, Každan, is a Jewish name that is an acronym for the Aramaic phrase Kohanei SHluchei De-rachmana Ninhu, "priests are the messengers of the Merciful"; it can refer to: Alexander Kazhdan - historian, byzantinist David Kazhdan - mathematician. Jerry Kazdan - mathematician See also Kasdan Kashtan Jewish surnames