Josef Riedel
Josef Riedel is the name of the following people:
- Josef Riedel (large industrialist) (1816–1894), Austrian glass trader and large industrialist
- Josef Riedel (technician) (1839–1907), Austrian hydraulic engineering technician
- Josef Anton Riedel (1862–1924), Austrian industrialist and inventor
- Josef Gottfried von Riedel (1803–1870), Austrian psychiatrist