People beginning with G
- Gerdy, Pierre Nicolas
- Gerhardt, Carl Jakob Adolf Christian
- Gerken, Hartmut
- Gerold, M.
- Gerota, Dimitrie D.
- Gerstmann, Josef
- Getzova, Sophia
- Ghon, Anton
- Giaccai, Leonardo
- Giannuzzi, Giuseppe
- Gianotti, Ferdinando
- Giard, Alfred
- Gibb, H. P.
- Gibson, Quentin Howieson
- Giedion, Andreas
- Gierke, Edgar Otto Conrad von
- Gifford, Harold
- Gilbert, Wilhelm
- Gilbert, Nicolas Augustin
- Gilchrist, Thomas Caspar
- Gilford, Hastings
- Gilles de la Tourette, Georges Albert Édouard Brutus
- Gillespie, Frederick D.
- Gilman, Sid
- Gilmour, John Ritchie