- Will--Religious aspects1
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- Witchcraft1
- Women1
- Women's clothing1
- Wooden boards1
- Worcester, Charles Somerset, Earl of, approximately 1460-15261
- Worcester, William Somerset, Earl of, approximately 1525-15891
- World history1
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- Ximenes de Ençiso family1
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- Yaʻqūb ibn Khiḍr, d. 1480. ḥāshiyah ʻalá sharḥ Ṣadr al-Sharīʻah1
- Yemen (Republic)1
- Yeshivas1
- Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm, fl. 1257. Taṣrīf al-ʻIzzī1
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