- Yehudah ben Sigmar, 11th century1
- Yehudah ben Yosef, Fas1
- Yellamma (Hindu deity)1
- Yeḥezḳel ben ʻAli, ha-Kohen, active 11th century1
- Yeḥiʾel, ha-Dayan1
- Yitsḥaḳ ben Ḥayim Nafusi, ha-Melamed1
- Yoga, Rāja1
- Yoga--Therapeutic use1
- Yom Kippur1
- Yosef ben Ḥayim Mosheh, ha-Leṿi, -17131
- Yājñavalkyasmr̥ti (Yājñavalkya)1
- Zakai, ha-Naśi1
- Zanobi, Jacopo di1
- Zanobi, Leonarda di1
- Zasius, Ulrich, 1461-15351
- Zati, Matteo di Bernardo1
- Zati, Matteo di Giovanni1
- Zei, Corso1
- Zeno, Carlo, 1334-14181
- Zidduk ha-din1