Johann Mann
Johann Mann is the name of the following people:
- Johann Mann (businessman) ( Johann Bernhard Mann ; 1791–1871), German businessman and politician
- Johann Adam Mann (1821–1886), German farmer and politician, MdL Bavaria
- Johann Bernhard Mann (1880–1945), German naval officer
- Johann Jacob Mann (1787 – after 1851), administrative officer in Württemberg
- Johann Sigismund Mann (1687–1772), German tailor