HCG

HCG may refer to:


 * Historic Centre of Guimarães, a UNESCO World Heritage Site
 * Hickson Compact Group
 * Hellenic Coast Guard
 * Honoris Crux Gold, of the Republic of South Africa
 * Hoppers Crossing railway station, Melbourne
 * Human chorionic gonadotropin (hCG)
 * HCG pregnancy strip test