- Jan 28 Cornelis Haga, Dutch lawyer/ambassador to Constantinople (1611-39)
- Mar 2 George Sandys, English colonist and poet (d. 1644)
- Mar 17 Francesco Albana, Italian painter (Mary's Ascension)
- Mar 18 Adam Elsheimer, German painter/cartoonist/etcher, baptized
- Apr 1 William Harvey, English physician (discovered blood circulation), born in Folkestone, Kent (d. 1657)
- Apr 14 Philip III, King of Spain & Portugal (1598-1621), born in Madrid, Spain (d. 1621)
- May 16 Everard Digby, English conspirator (d. 1606)
Ferdinand II
Jul 9 Ferdinand II, King of Bohemia & Hungary and German Emperor (1619-37), born in Graz, Austria (d. 1637)
Ferdinand II
- Jul 31 Catharina Belgica of Nassau, daughter of Willem of Orange
- Aug 5 Charles d'Albert, duc of Luynes, French courtier, favourite of Louis XIII and Constable of France, born in Longueville, France (d. 1621)
- Aug 17 Francesco Albani, Italian painter (d. 1660)
- Nov 1 Dmitry Pozharsky, Russian prince (known for his military leadership during the Polish–Muscovite War 1611-12), born in Klin County, Moscow Governorate, Tsardom of Russia (d. 1642)