Famous birthdays, deaths and events of 1593
- March 25 - Jean de Brébeuf, French Jesuit missionary (d. 1649)
- April 3 - George Herbert, English poet and orator (d. 1633)
- August 9 - Izaak Walton, English angler (d. 1683)
- September 22 - Matthäus Merian, Swiss engraver (d. 1650)
- February 6 - Jacques Amyot, French writer (b. 1513)
- May 30 - Christopher Marlowe, English playwright (b. 1564)
- January 27 - Vatican opens 7 year trial against scholar Giordano Bruno.
- March 1 - The Uppsala Synod is summoned to confirm the exact forms of the Lutheran Church of Sweden.
- May 18 - Playwright Thomas Kyd's accusations of heresy lead to an arrest warrant for Christopher Marlowe.
- June 22 - Battle of Sisak: Allied Christian troops defeat the Turks.
- July 25 - Henry IV of France publicly converts from Protestantism to Roman Catholicism.