 Blessed Xavier Morell Cabiscol, C.M.F. |
 Saint Xenophon |
 Saint Xi Zhuzi 郗柱子 (正體中文) |
 Blessed Ya’Qūb from Ghazīr, O.F.M. Cap. Khalīl Al-Haddād (secular name) |
 Blessed Yakym, O.S.B.M. (Ukrainian Rite) Ivan Sen’kiv’skyi (secular name)Іван Яким Сеньківський (Українська) |
 Blessed Yolanda of Poland Jolán |
 Saint Yon |
| Blessed Yosafat Kotsylovs’kyi, O.S.B.M. (Ukrainian Rite) Йосафат Коциловський (Українська) |
| Blessed Yosafata, S.S.M.I. (Ukrainian Rite) Mykhailyna Hordashevs’ka (secular name)Михайлина Йосафа́та Гордашевська (Українська)Religious of Sisters Handmaids of Mary Immaculate. Martyr. |
| Saint Yrieix d’Attanum |
| Blessed Yves-André Guillon de Keranrun |
| Saint Yves Hélory de Kermartin Born:1253.10.17 (Minihy-Tréguier, France)Ordained Priest:1284Died:1303.05.19 (Minihy-Tréguier, France † 49)Canonised:1347.06.26 (equipollently)Feast:05.19Priest. |
| Blessed Yves-Jean-Pierre Rey de Kervisic |
 Saint Ywi of Lindisfarne, O.S.B. |
| Blessed Zacarías Abadía Buesa, S.D.B. |
| Blessed Zacarías Cuesta Campo Born:1916.06.10 (Villasidro, Burgos, Spain)Died:1937.01.15 🩸 (near Suances, Cantabria, Spain † 20)Beatified:2016.04.23 (Burgos, Burgos, Spain)Layperson of Burgos. Martyr. |
| Blessed Zacarías del Santísimo Sacramento, C.P. Zacarías Fernández Crespo (secular name) |
| Blessed Zacaries de Llorenç del Penedés, O.F.M. Cap. Sebastiá Sonet Romeu (secular name) |
 Saint Zaccaria del Mercurion |
 Saint Zachaeus |
 Blessed Zbigniew Adam Strzałkowski, O.F.M. Conv. |
 Blessed Zdenka, S.C.S.C. Cecília Schelingová (secular name)Religious of Congregation of Sisters of Charity of the Holy Cross. Martyr. |
 Saint Zdislava Berka Layperson. Married. Wife of Duke of Lemberk. Member of the Dominican Third Order. |
| Saint Zebina |
| Saint Zechariah One of the Twelve Prophets. |
| Saint Zechariah |
 Blessed Zef Marksen Born:1906.08.05 (Worringen, Köln, Germany)Ordained Priest:1936.06.21Died:1946.11.16 🩸 (Tiranë, Albania † 40)Beatified:2016.11.05 (Shkodër, Shkodër, Albania)Priest of Lezhë. Martyr. |
| Blessed Zeffirino Namuncurá Layperson. Student of Salesian College in Frascati. |
| Blessed Zefirino Agostini Priest of Verona. Founder of Congregation of the Ursuline Daughters of Mary Immaculate. |
 Saint Zenaida |
 Saint Zenas |
 Saint Zeno |
| Saint Zeno |
| Saint Zeno of Nicaea |
| Saint Zenobia of Aegæ Layperson. Sister of Saint Zenobios of Aegæ. Martyr. |
| Saint Zenobios of Aegæ Bishop of Ægeæ (? – 290?)Bishop. Brother of Saint Zenobia of Aegæ. Martyr. |
| Saint Zenobius |
| Saint Zenobius |
| Saint Zenon |
| Saint Zenon Layperson. Father of Concordius and Theodore. Martyr. |
| Saint Zenon |
| Saint Zenone di Roma |
| Saint Zephaniah One of the Twelve Prophets. |
 Saint Zeticus of Crete |
| Saint Zhang Huailu 張懷祿 (正體中文) |
| Saint Zita di Lucca |
| Saint Zoe |
| Saint Zoellus |
| Blessed Zofia Czeska-Maciejowska Religious and founder of Congregation of the Virgins of the Presentation of the Blessed Virgin Mary. |
| Saint Zoilo de Córdoba |
 Blessed Zoltán Lajos Meszlényi |
| Saint Zosima |
| Saint Zosima |
| Blessed Zosimo Brambat, O. Cist. |
| Blessed Zósimo Izquierdo Gil |
| Saint Zosimus |
| Saint Zosimus |
| Saint Zosimus of Antioch |
| Saint Zosimus of Antioch |
| Saint Zotico |
| Saint Zoticus of Constantinople |
| Saint Zoticus of Nicomedia |
| Saint Zoticus of Tracia |
| Saint Zygmunt Gorazdowski |
| Blessed Zygmunt Pisarski Born:1902.04.24 (Krasnystaw, Lubelskie, Poland)Ordained Priest:1926.06.27Died:1943.01.30 🩸 (KZ Dachau, Oberbayern, Germany † 40)Beatified:1999.06.13 (Warszawa, Poland)Feast:01.30Priest of Lublin (Poland) (1926.06.27 – 1943.01.30)Priest. Martyr. |
| Blessed Zygmunt Sajna |
| Saint Zygmunt Szczęsny Feliński Born:1822.11.01 (Voyutyn, Ukraine)Ordained Priest:1855.09.08Consecrated Bishop:1862.01.26Died:1895.09.17 (Kraków, Poland † 72)Beatified:2002.08.18 (Kraków, Poland)Canonised:2009.10.11Feast:09.17Metropolitan Archbishop of Warszawa (Poland) (1862.01.06 – 1883.03.15)Titular Archbishop of Tarsus (1883.03.15 – 1895.09.17)Archbishop. Founder of Franciscan Sisters of the Family of Mary. |
| Blessed Zynovii Kovalyk, C.SS.R. (Ukrainian Rite) Зиновій Ковалик (Українська) |