- Aug 1 Albrecht Giese, German politician and diplomat (b. 1524)
- Aug 19 Andrea Palladio [Andrea di Pietro della Gondola], Italian architect (Il Redentore, Venice), dies at 71
- Aug 20 Jeronymo Osorio, Portuguese historian (b. 1506)
- Aug 25 Frederick Schenk van Toutenburg, last archbishop of Utrecht, dies
- Aug 30 Emanuel Philibert, Duke of Savoy/governor of Netherlands, dies