Guxian (古县) primarily refers to Gu County, Shanxi, People's Republic of China (PRC).
It may also refer to numerous smaller locations in the PRC:
Guxian Dam (故县水库), dam on the Luo River in Luoning County, Henan
Township-level divisions Guxian (古县镇), town in Yongfeng County, Ji'an Jiangxi Guxian (古县镇), town in Qi County, Jinzhong, Shanxi Guxian Township, Hejian (故仙乡), Hebei Guxian Township, Xingtai (固献乡), in Wei County, Xingtai, Hebei Guxian, Tongbai County (固县镇), town in Henan Guxian, Yanshi (顾县镇), town in Henan Guxian Township, Henan (古贤乡), in Tangyin County Guxian Township, Pu County (古县乡), Shanxi Guxian Township, Qinshui County (固县乡), Shanxi Written as "故县": Guxian Subdistrict, Jiaoqu, Changzhi, Shanxi Guxian, Lingbao, town in Henan Guxian, Luoning County, town in Henan Guxian, Qin County, town in Shanxi Guxian Township, Wuxiang County, Shanxi