GCT

GCT may refer to:

Medicine

• Germ cell tumor
• Giant-cell tumor of bone
• Glucose challenge test
• Granulosa cell tumor

Transport

• Gauge Change Train, a Japanese train
• Ghazipur City railway station, in Uttar Pradesh, India
• Grand Canyon Bar 10 Airport, in Arizona, United States
• Grand Central Terminal, in New York City
• Great Coates railway station in England
• Grimsby-Cleethorpes Transport, former municipal bus company of Grimsby and Cleethorpes, England
• Gwinnett County Transit, in Georgia, United States

Other uses

• Galapagos Conservation Trust, a British charity
• Geometric complexity theory
• German Colonial Tovar dialect of German, spoken in Venezuela
• Global Champions Tour, a show jumping series
• Gloucester County Times, a daily newspaper in New Jersey
• Government College of Technology (disambiguation)
• Grand Chess Tour, an annual circuit of chess tournaments
• Grande Cadence de Tir (GCT) 155mm, French self-propelled artillery vehicle
• Green Card Test, used by the United States Internal Revenue Service
• Green Crescent Trust, in Sindh, Pakistan
• Greene County Tech School District, in Greene County, Arkansas, United States
• Greenwich Civil Time, an obsolete term for what is now known as Greenwich Mean Time
• Greenwood Community Theatre, in South Carolina, United States
• GCT, a codon for the amino acid Alanine