Eponyms beginning with G
- Ghon's primary focus
- Ghon's primary lesion
- Ghon's tubercle
- Ghons Herd (German)
- Giaccai’s syndrome 1
- Giannuzzi's demilunes
- Gianotti's disease
- Gianotti-Crosti disease
- Giardia
- Giardia intestinalis
- Giardia lamblia
- Gibraltar fever
- Gibson's disease
- Gibson's methemoglobinaemia
- Gibson's syndrome
- Gierke's disease
- Gierke's syndrome
- Gifford's sign
- Gifford-Galassi reflex
- Gilbert's disease
- Gilbert's sign
- Gilbert's syndrome
- Gilbert's syndrome
- Gilbert's syndrome 2
- Gilbert-Behçet syndrome