Johann Ernst
Johann Ernst is the name of the following people:
- Johann Ernst (politician, 1888) (1888–1969), German trade unionist and politician (center, CDU)
- Johann Ernst (politician, 1905) (1905–1971), German lawyer and politician (BP)
Princes and Counts:
- Johann Ernst (Sachsen-Coburg) (1521–1553), prince from the Ernestine line of the House of Wettin
- Johann Ernst (Hanau-Münzenberg) (1613–1642), Count from the House of Hanau-Münzenberg
- Johann Ernst (Nassau-Weilburg) (1664–1719), Count and Prince of Nassau-Weilburg, Field Marshal General
- Johann Ernst (Nassau-Hadamar) (1631–1651), member of the younger line of the Nassau-Hadamar family
See also:
- Hans Ernst
- Johannes Ernst (1528–1594), twelfth abbot of the Imperial Abbey of Ochsenhausen
- Johannes Ernst (clergyman) (1683–1765), Swiss Protestant clergyman
- Johann Ernst of Saxony