Kyoen Kankan is mokkan (a narrow strip of wood on which an official message is written) of the Former Han and the Later Han periods, discovered in the Kyoen Hosui site covering from Ejin Banner of Inner Mongolia, China to the northeastern region of Jiuquan City, Gansu Province, China.
居延漢簡（きょえんかんかん）は、中国、内モンゴル自治区エチナ旗から甘粛省酒泉の東北部にある居延烽燧遺跡から発見された前漢代・後漢代の木簡。