GMC
- G. M. C. Balayogi
- GMC (automobile)
- GMC Athletic Stadium
- GMC TV
- Gambia Moral Congress
- Gandhi Medical College
- Gandhi Medical College, Bhopal
- Gandhinagar Municipal Corporation
- Ganglion mother cell
- Geiger counter
- Geisinger Medical Center
- General Medical Council
- General Motors
- General Motors Canada
- Generalized Method of Cells
- Genetically modified crops
- Georgia Military College
- Germanic languages
- Giant molecular cloud
- Global Management Challenge
- Global Methodist Church
- Global Movement for Children
- Global motion compensation
- Goa Medical College
- Gobichettipalayam Municipal Corporation
- Gomal Medical College
- Government Medical College (disambiguation)
- Grant Medical College
- Great Midwest Conference
- Greater Manchester Challenge
- Greater Manchester Council
- Green Mountain Club
- Green Mountain College
- Greenwich Maritime Centre
- Guangmingcheng railway station
- Gujranwala Medical College
- Gun motor carriage
- Gunman Clive
- Guntur Medical College
- Guntur Municipal Corporation
- Guwahati Municipal Corporation
- Gwalior Municipal Corporation
- Gwinnett Medical Center
- Kent International
- Martin MB-1
- NHS Genomic Medicine Centres