- Zaeterius, Bologninus (publisher in Venice): 2213.
- Zaener (publisher in Ulm): 20.
- Zanchinus: 2212.
- Zancus (Zanchius, Zanchus), Basilius: 913, 1232, 2340.
- Zannetti, Francisco (publisher in Rome): 611.
- Zannius, Franciscus: 850.
- Zasbout, Arnoldus: see Sasbout, Arnoldus.
- Zasius, Joannes Ulricus: 2169.
- Zebertus: see Zibertus.
- Zeelandre, Vincent de: 1722.
- Zegerus, Thomas: 2057.
- Zelius Neomagensis, Bernardus (proof-reader in the Plantin Press): 871, 1286.
- Zephyrus, F.: 2299.
- Zerda, Ludovicus: 1190.
- Zibertus (Zebertus, Zeberius; Ziberts) Dunghaeus (a Dunghen), Henricus (censor): 20, 21, 56, 591, 615, 641, 644 (VIII 10), 864, 884, 890, 892, 918, 919, 922, 1020, 1063, 1064, 1065, 1084, 1121, 1126, 1184, 1228, 1281, 1490, 1491, 1499, 1500, 1525, 1636, 1658, 1828, 1835, 1957, 2094, 2149, 2184, 2197, 2216, 2229, 2276, 2342, 2411, 2422, 2427, 2434, 2472, 2473, 2474.
- Zilletus (Ziletus), Jordanus (publisher in Venice): 995, 1723, 2212.
- Zobbius, Thomas: 626.
- Zoebius, Adrianus: 2054.
- Zoete, Nic. [S.] de (De) (clerk in the Council of Brabant, Brussels): 598, 637, 639, 641, 1060, 1336, 1406, 1614, 1615, 1962, 2276; Add. 1060bis.
- Zoilus: 850, 1214, 1243, 1247, 1408, 1409, 1500, 2156, 2184, 2334.
- Zsamboky, Joannes: See Sambucus, Joannes.
- Zuchet, Antonio: 615.
- Zuerius (Suerius), M. (clerk of the city of Antwerp): 300, 301, 303, 304, 306, 307, 308, 312, 313, 321, 322, 325, 330, 331, 334, 335, 336, 337, 342, 343, 344, 345, 346, 347, 354, 356, 358, 359, 368, 369, 376, 378, 381, 382, 383, 782.
- Zurchius (van Zurich), Gaspar: 649, 1254, 1255. See also Surc, Jaspar van.
- Zurenus, Joannes: 1476.