Johann August
Johann August is the name of the following people:
- Johann August (Pfalz-Lützelstein) (1575–1611), Count Palatine of Lützelstein
- Johann August (Anhalt-Zerbst) (1677–1742), ruling Prince of Anhalt-Zerbst
- Johann August von Sachsen-Gotha-Altenburg (1704–1767), German Field Marshal General