Gasp - Gilb
- Gaspar de Carvajal
- Gaspar de Crayer
- Gaspar Druzbicki
- Gaspar Melchor de Jovellanos
- Gaspar Schott
- Gaspard Mermillod
- Gaspard-Gustave de Coriolis
- Gaspare del Bufalo, Blessed
- Gasparo Contarini
- Gasparo Molo
- Gaspe, Philippe-Aubert de
- Gassendi, Pierre
- Gasser von Valhorn, Joseph
- Gassner, Johann Joseph
- Gaston Jean Baptiste de Renty
- Gaston, William
- Gaston-Bruno-Paulin Paris
- Gatianus, Saint
- Gau, Franz Christian
- Gaubil, Antoine
- Gaudentius of Brescia
- Gaudentius, Saint
- Gaudenzio Ferrari
- Gaudete Sunday
- Gaudier, Antoine de
- Gaudiosus
- Gaul, Christian
- Gaultier, Aloisius-Edouard-Camille
- Gaume, Jean-Joseph
- Gavantus, Bartolommeo
- Gavin Douglas
- Gaza
- Gazzaniga, Pietro Maria
- Gebhard (III) of Constance
- Gebhart, Emile
- Gedeon
- Gédoyn, Nicolas
- Gegenbauer, Josef Anton
- Geiler von Kayserberg, Johann
- Geissel, Johannes von
