GCX or Gcx can refer to:

Global Cloud Xchange, a networking company from 2014 to 2022 Gaochang District, a district in Turpan, Xinjiang Uyghur Autonomous Region, China; see List of administrative divisions of Xinjiang Global Challenges Index, which the company Aurubis is listed in Gorceixite, a mineral; see List of mineral symbols Ghana Commodity Exchange, an agricultural commodity exchange based in Accra, Ghana; see List of commodities exchanges Alltank Equipment Corporation, a company whose reporting mark on rail networks is "GCX"; see List of reporting marks: G