Zacchaeus of Caesarea in Palestine, Martyr
Zacchaeus, Bishop of Jerusalem
Zacharias, Bishop of Leon, Successor of St. Irenaeus, Martyr
Zachary (Zachariah), Father of St. John the Baptist
Zama I, Bishop of Bologna
Zanitas, Monk, Martyred by King Shapur II of Persia
Zbigniew Strzalkowski, Conventual Franciscan Priest, Martyr
Zdislava Berka, Duchess of Lemberk (Bohemia), Dominican Tertiary
Zenas of Philadelphia, Martyr
Zeno, Bishop and Martyr
Zeno, Bishop of Verona
Zeno, Martyr
Zeno, Roman Tribune and Martyr
Zenobius, Wonderworking Bishop of Florence
Zenobius, Physician, Bishop of Aegae in Cilicia, and Martyr
Zephyrinus, Pope
Zita of Lucca, Patroness of Servants
Zoe, Martyr
Zofia Czeska-Maciejowska, Foundress of the Sisters of the Presentation of the B.V.M.
Zoilus of Lystra, Martyr
Zosimus, Bishop of Syracuse, Sicily
Zosimus, Martyr
Zoticus, Martyr
Zygmunt Gorazdowski, Ukrainian Monsignor, Founder of the Sisters of St. Joseph