Johann Rädler
Johann Radler or Johann Rädler is the name of
- Johann Radler (redsmith) (around 1822 – after 1858), redsmith and master farrier in Nuremberg
- Johann Rädler (politician) (* 1952), Austrian politician, mayor and member of parliament
- Johann Jakob Radler (1827–1879), German bell founder, 1853 founder of the later company JJ Radler & Sons in Hildesheim, see Radler's bell foundry