Johann Schmidt

Johann Schmidt may refer to:


 * Johann Adam Schmidt (1759–1809), German-Austrian surgeon and ophthalmologist
 * Johann Friedrich Julius Schmidt (1825–1884), German astronomer and geophysicist
 * Johann Georg Schmidt (painter) (1685–1748), German painter
 * Johann Georg Schmidt (engraver) (1694–1767), German engraver
 * Johann George Schmidt (1707–1774), German master builder, architect in Dresden
 * Johann Caspar Schmidt (1806–1856), the full name of Max Stirner, German philosopher
 * Red Skull, a fictional Marvel Comics supervillain born Johann Schmidt
 * Johann Schmidt (historian) (1693–1762), Moravian historian at Palacký University, Olomouc
 * Johann Schmidt (neurologist), physician recognized for early research in neurology after Marc Dax
 * Johann Schmidt (organist), organist who instructed Johann Peter Kellner in 1720