- Aug 3 August Kuhnel, German composer and musician, born in Delmenhorst, Germany (d. ca 1700)
- Aug 10 Eusebio Kino, Italian Catholic missionary (d. 1711)
- Aug 16 Jean de La Bruyère, French writer (The Characters, or the Manners of the Age, with The Characters of Theophrastus), born in Paris (d. 1696)