Leonhard
Leonhard
may refer to:
Leonhard Euler
(1707–1783), Swiss mathematician and physicist
Leonhard Hutter
(1563–1616), German theologian
Karl Leonhard
(1904–1988), German psychiatrist
Jim Leonhard
(1982– ), American football safety
Leonhard Rauwolf
(1535–1596), German physician and botanist
Leonhard Stejneger
(1851–1943), American herpetologist
Wolfgang Leonhard
(1921–2014), German author & historian