Parentless Concepts
- Gramaye, Jean-Baptiste
- Grammatica Arabica
- Granada
- Graz
- Grazi, Grazio Maria
- Grégoire, Pierre
- Gregory of Nazianzus
- Gregory of Nyssa
- Gregory of Nyssa, Homilia
- Gregory VII
- Gregory X
- Gregory XII
- Gregory XV
- Greifswald
- Gretser, Jacob
- Griffin Markham
- Groningen
- Gropper
- Groß, Henning
- Grotius, Hugo
- Gruter, Jan
- Gualterus
- Guertner, Georg
- Guevara Noroña, Antonio
- Guilielmus Tyrensis