Edessan

Edessan, Edessian, or Edessene may refer to:

- in general:
 * someone or something related to the city of Edessa in northern Greece
 * someone or something related to the city of Edessa in southeastern Turkey

- in particular:
 * Edessan Middle Aramaic language, variant term for the Syriac language
 * Edessan Kingdom, ancient kingdom of Osroene, centered in Edessa, modern Turkey
 * Edessan County, a Crusader medieval state, centered in Edessa, modern Turkey
 * Edessan Chronicle, a chronicle written in the 6th century in Edessa, modern Turkey
 * Edessan martyrs, Christian martyrs Shmona and Gurya, martyred in Edessa, modern Turkey
 * Edessan Mandylion, a holy relic in Christian tradition of Edessa, modern Turkey
 * Edessan Ecclesiastical Museum, an ecclesiastical museum in Edessa, Greece
 * Edessan Waterfalls, a waterfall site near Edessa, Greece