Author
- William IV, Landgrave of Hesse-Kassel1
- William Perault1
- William of Montlauzun1
- William of Paris1
- Yajnavalkya1
- Yaḥya, Avraham, 17th century1
- Yaḥyá ibn Aḥmad Kāshānī1
- Zayn al-Din Gorgani1
- knight of the Teutonic Order1
- Ādityācārya1
- Ānandāśrama1
- Śabarasvāmi1
- Śaivagāmīnāgnihotrī1
- Śaṃkarabhagavatpāda1
- Śaṃkaranārāyaṇa Bhaṭṭa1
- Śaṅkaraśāstri1
- Śaṅkhadhara Kavirāja1
- Śiva Devajña (Son of Nāgeśa Devajña)1
- Śivarāma1
- Śivarāmasvāmī1