- Jun 6 Domenico Guidi, Italian sculptor, born in Carrara, Italy (d. 1701)
- Jun 8 Giovanni Domenico Cassini, Italian-French mathematician, astronomer and engineer who discovered four of Saturn's moons, born in Perinaldo, Republic of Genova (d. 1712)
- Jul 10 Jean Herauld Gourville, French adventurer, born in La Rochefoucauld, France (d. 1703)
- Jul 27 Edward Montagu, 1st Earl of Sandwich, English soldier, admiral and patron to Samuel Pepys, born in Barnwell (d. 1672)
- Aug 13 Rasmus Bartholin, Danish physician, mathematician and physicist, born in Roskilde, Denmark (d. 1698)
- Aug 14 François de Harlay de Champvallon, Archbishop of Paris, born in Paris (d. 1695)
- Aug 20 Thomas Corneille, French playwright (Timocrates), born in Rouen, France (d. 1709)
Johan de Witt (1625-1672)
Sep 24 Dutch statesman and Grand Pensionary of Holland (1653-72), born in Dordrecht, Netherlands
- Oct 4 Jacqueline Pascal, French child prodigy, born in Clermont-Ferrand, Auvergne, France (d. 1661)
- Nov 20 Artus Quellinus II, Flemish sculptor, born in Sint-Truiden, Limburg, Belgium (d. 1700)
- Nov 20 Paulus Potter, Dutch painter, born in Enkhuizen, Dutch Republic (d. 1654)
- Nov 30 Jean Domat, French jurist, born in Clermont, Auvergne (d. 1696)
- Dec 14 Barthélemy d'Herbelot de Molainville, French orientalist, born in Paris (d. 1695)