Leonhard is a German male given name and surname also used in other Germanic languages, as well as Estonian, sharing the same origin as English Leonard. Notable people with the name include:

Given name

• Alfred Leonhard Maluma (1955–2021), Tanzanian Roman Catholic prelate

• Alfred Leonhard Tietz (1883–1941), German entrepreneur

• Anton Leonhard Franzen (1896–1968), German lawyer and Nazi politician

• Arne Leonhard Nilsen (1893–1957), Norwegian politician

• Artur Leonhard Kasterpalu (1897–1942), Estonian politician

• Benedikt Maria Leonhard von Werkmeister (1745–1823), German Roman Catholic theologian

• Diederich Franz Leonhard von Schlechtendal (1794–1866), German botanist

• Dieterich Leonhard Oskamp (1756–1803), Dutch natural historian and author

• Friedrich Georg Leonhard Miedke (1803–1842), German actor, singer, composer, theatre director, painter and author

• Fritz Leonhard Redlich (1892–1978) was a German businessman and economic historian

• Hans Leonhard Schäufelein (–1540), German painter and woodcuts designer

• Heinrich Leonhards Skuja (1892–1972), Latvian botanist

• Johann Leonhard Dober (1706–1766), German missionary

• Johan Leonhard Fix (1735–1807), German-Danish merchant and colonial governor

• Johann Leonhard Frisch (1666–1743), German linguist, entomologist and ornithologist

• Johann Leonhard Hug (1765–1846), German Roman Catholic theologian, orientalist and biblical scholar

• Johann Leonhard Pfaff (1775–1848), German Roman Catholic prelate

• Johann Leonhard Raab (1825–1899), German printmaker and painter

• Johann Leonhard Rost (1688–1727), German astronomer and author

• Karl Dietrich Leonhard Engel (1824–1913), German musician and author

• Karl Leonhard Reinhold (1757–1823), Austrian philosopher

• Leonhard Adelt (1881–1945), German translator and author

• Leonhard Agtstein (), Swiss compositor

• Leonhard Baldner (1612–1694), Strasbourg German fisherman and naturalist

• Leonhard Baumeister (1904–1972), German politician

• Leonhard Beck (–1542), German painter and woodcuts designer

• Leonhard Blasius (died 1644), Danish architect

• Leonhard Graf von Blumenthal (1810–1900), officer of the Prussian Army and the Imperial German Army

• Leonhard von Call (1767–1815), Austrian composer and virtuoso

• Leonhard Christian Borchgrevink Holmboe (1802–1887), Norwegian Lutheran minister and politician

• Leonhard Deininger (1910–2002), German politician

• Leonhard Dientzenhofer (1660–1707), German builder and architect

• Leonhard Drach (1903–1996), German jurist and convicted war criminal

• Leonhard von Eck (1480–1550), Chancellor of Bavaria

• Leonhard Ennen (1820–1880), German Roman Catholic theologian, historian and archivist

• Leonhard Euler (1707–1783), Swiss mathematician and physicist

• Leonhard Frank (1882–1961), German author

• Leonhard Fredrik Rääf (1786–1872), Swedish folklorist, historian and politician

• Leonhard Fronsperger (–1575), German soldier and author

• Leonhart Fuchs (1501–1566), German physician and botanist

• Leonhard Gall (1884–1952), German architect

• Leonhard Gey (1838–1894), German history painter and art professor

• Leonhard Grill, Austrian experimental physicist and academic

• Leonhard of Gorizia (1440–1500), Count of Gorizia/Görz

• Leonhard Haas (born 1982), German retired footballer

• Leonhard Haeger (1867–1977), American architect

• Leonhard Harding (born 1936) German historian and scholar in African studies

• Leonhard Haskel (1872–1923), German actor and drama teacher

• Leonhard Helmschrott (1921–2011), German journalist and politician

• Leonhard von Hohenhausen (1788–1872), German military and war minister

• Leonhard Hutter (1563–1616), German Lutheran theologian

• Leonhard Käär (1904–1963), Estonian politician

• Leonhard Kaiser (1480–1527), German Lutheran theologian and reformer

• Leonhard Kass (1911–1985), Estonian footballer

• Leonhard Kaufmann (born 1989), Austrian footballer

• Leonhard Kaupisch (1878–1945), German general

• Leonhard von Keutschach (–1519), Prince-Archbishop of Salzburg

• Leonhard Kleber (–1556), German organist and composer

• Leonhard Koeppe (1884–1969), German ophthalmologist

• Leonhard Kohl von Kohlenegg (1834–1875), Austrian actor and author

• Leonhard Kubizek (born 1963), Austrian musician and director

• Leonhard Kukk (1906–1941) Estonian weightlifter

• Leonhard von Laiming (1381–1451), German Roman Catholic prelate

• Leonhard Lapin (1947–2022), Estonian architect, artist, historian and poet

• Leonhard Lechner (–1606), German composer, kapellmeister, tenor and music editor

• Leonhard Ludwig Finke (1747–1837), German physician

• Leonhard Machu (1909–1967), Austrian footballer

• Leonhard Mahlein (1921–1985), German trade unionist

• Leonhard Merzin (1934–1990), Estonian actor

• Leonhard Münst (born 2002), German footballer

• Leonhard Nagenrauft (1938–2017), German luger

• Leonhard Päminger (1495–1567), Austrian-German Lutheran theologian, poet and composer

• Leonhard Pföderl (born 1993), German ice hockey player

• Leonhard Pohl (1929–2014), German athlete

• Léonhard Quaglia (1896–1961), French ice hockey player and speed skater

• Leonhard Ragaz (1868–1945), Swiss Reformed theologian

• Leonhard Rauwolf (1535–1596), German physician and botanist

• Leonhard Reichartinger (died 1396), German Crusader

• Leonhard Romeis (1854–1904), German architect

• Leonhard Schiemer ({{c.|1500–1528), German Anabaptist author and martyr

• Leonhard Schmitz (1807–1890), Prussian-British classical scholar and author

• Leonhard Schröter (– c. 1601), German Renaissance choirmaster, teacher and composer

• Leonhard Schultze-Jena (1872–1955), German explorer, zoologist and anthropologist

• Leonhard Seiderer (1895–1940), German footballer

• Leonhard Seppala (1877–1967), Norwegian-Kven-American sled dog breeder, trainer and musher

• Leonhard Sohncke (1842–1897), German mathematician, physicist and mineralogist

• Leonhard von Spengel (1803–1880), German classical scholar

• Leonhard Stejneger (1851–1943), Norwegian-American ornithologist, herpetologist and zoologist

• Leonhard Stock (born 1958), Austrian alpine ski racer

• Leonhard von Stryk (1834–1882), a Baltic German historian and author

• Leonhard Thurneysser (1531–), Swiss-German scholar and miracle doctor

• Leonhard Tietz (1849–1914), German entrepreneur and art collector

• Leonhard Vahter (1896–1983), Estonian politician

• Leonhard Viljus (1904–1970), Estonian sport shooter

• Leonhard Wächter (1762–1837), German historian and author

• Leonhard Waitl (1939–2010), German ice hockey player

• Leonhard Weiß (1907–1981), German footballer

• Leonhard Wilhelm Johann Neuman (1885–1933), Estonian musician, choir director, singer and diplomat

• Peter Leonhard Braun (born 1929), German author and radio producer

• Peter Leonhard Gianelli (1767–1807), Danish medallist and sculptor

Surname

• Charles Leonhard (1915–2002), American music educator and academic

• Daniel Leonhard (born 1972), German sports shooter

• Dave Leonhard (born 1941), American baseball player

• Elke Leonhard (1949–2025), German politician

• Florian Leonhard (born 1963), German-British violin maker and restorer

• Gerd Leonhard, German futurist, speaker and author

• Glenn Leonhard (born 1954), Canadian footballer

• Gottfried Leonhard (1895–1983), German politician

• Gustav von Leonhard (1816–1878), German mineralogist and geologist

• Jim Leonhard (born 1982), American football coach and former player

• Jörn Leonhard (born 1967), German historian and professor

• Karl Leonhard (1904–1988), German psychiatrist

• Karl Cäsar von Leonhard (1779–1862), German mineralogist and geologist

• Melanie Leonhard (born 1977), German historian and politician

• Rudolf Leonhard (1889–1953), German author and communist activist

• Wolfgang Leonhard (1921–2014), German author and historian

See also

• Leonard (disambiguation)

• Sankt Leonhard (disambiguation)