1623
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 16th century – 17th century – 18th century |
| Decades: | 1590s 1600s 1610s – 1620s – 1630s 1640s 1650s |
| Years: | 1620 1621 1622 – 1623 – 1624 1625 1626 |
Deaths
- February 8 – Thomas Cecil, 1st Earl of Exeter, English politician (b. 1546)
- March 19 – Uesugi Kagekatsu, Japanese samurai and warlord (b. 1556)
- June 16 – Christian, Duke of Brunswick-Lüneburg-Wolfenbüttel, German Protestant military leader (b. 1599)
- July 4 – William Byrd, English composer
- July 8 – Pope Gregory XV (b. 1554)
- October 21 – William Waad, English statesman and diplomat (b. 1546)
- November 9 – William Camden, English historian (b. 1551)
- November 11 – Philippe de Mornay, French writer (b. 1549)
- November 12 – Josaphat Kuncevyc, Lithuanian archbishop
- Andrea Andreani, Italian engraver (b. 1540)