H
- Hadot, Pierre
- Hamann, Johann Georg
- Hamilton, William
- Hard Problem of Consciousness
- Hartmann, Karl Robert Eduard Von
- Hedonism
- Hegel: Social and Political Thought
- Hegelians, St. Louis
- Heidegger, Martin
- Hell
- Hellenistic Astrology
- Helvetius, Claude Adrien
- Hempel, Carl Gustav
- Heraclitus
- Herbert of Cherbury, Edward
- Hick, John
- Hindu Philosophy
- Hinduism–Sāṅkhya
- Hipparchia
- Hippias
- Hippocrates
- History, Philosophy of
- Hobbes, Thomas
- Hodgson, Shadworth
- Hölderlin, Johann Christian Friedrich
- Hsüan-tsang (Xuanzang)
- Hsün Tzu (Xunzi)
- Huineng (Hui-neng)
- Human Rights
- Humanism
- Hume, David
- Humor
- Husserl, Edmund
- Huxley, Thomas Henry