- Aug 4 Johann Gottlob Lehmann, German minerologist and geologist, born in Bad Gottleuba-Berggießhübel, Germany (d. 1767)
- Aug 20 Charles-François de Broglie, French soldier and diplomat, marquis de Ruffec, born in Paris (d. 1791)
- Aug 20 Christian Mayer, Czech Catholic priest and astronomer, born in Modřice, Moravia (d. 1783)
- Aug 27 Jan Nepveu, Dutch governor of Suriname (1768-79), born in Amsterdam (d. 1779)