G
- Gadamer, Hans-Georg
- Galen
- Game Theory
- Gauḍapāda
- Ge Hong (Ko Hung)
- German Idealism
- Gettier Problems
- Girard, René
- Global Ethics: Capabilities Approach
- Gnosticism
- God and Time
- God, Design Arguments for the Existence of
- God, Ontological Argument for the Existence of
- God, Pascal’s Wager about
- God, Western Concepts of
- Goethe, Johann Wolfgang von
- Golden Rule
- Gorgias
- Gournay, Marie
- Greek Philosophy, Ancient
- Gregory of Nyssa
- Grimké, Sarah and Angelina
- Guo Xiang