Johann Heyl
Johann Heyl is the name of the following people:
- Johann Jakob Hey (Schiffmann, 1684) (1684–1759), German shipman
- Johann Jakob Hey (Schiffmann, 1752) (1752–1818), German shipman and landowner
- Johann Jakob Heyl (manufacturer) (1797–1848), German manufacturer
- Johann Philipp Heyl (1770–1853), German mayor and politician
