HCT may refer to:

Colleges Hadassah College of Technology, now Hadassah Academic College in Jerusalem, Israel Higher College of Technology, in Muscat, Oman Higher Colleges of Technology, in the United Arab Emirates Herefordshire College of Technology, now Herefordshire and Ludlow College, in England

Health and medicine Healthcare technician Hematocrit Hydrochlorothiazide Hematopoietic cell transplantation

Organisations Herpetological Conservation Trust Hertfordshire Community NHS Trust

Places Huncoat railway station, in England

Other uses Hardware Compatibility Test HCT Co., Ltd. a South Korean compliance testing and calibration company HCT Group, a bus operator in London HCMOS, HCT is a variation of HCMOS integrated circuit logic 74HCT-series integrated circuits, a logic family of integrated circuits High Capacity Transport or High Capacity Truck - generic term for Road Train and Longer Heavier Vehicles (HCT) in Belgium hue, color, tone as an alias for HCL color space