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 (1955âÂÂ2021), Tanzanian Roman Catholic prelate
- Alfred Leonhard Tietz (1883âÂÂ1941), German entrepreneur
- Anton Leonhard Franzen (1896âÂÂ1968), German lawyer and Nazi politician
- Arne Leonhard Nilsen (1893âÂÂ1957), Norwegian politician
- Artur Leonhard Kasterpalu (1897âÂÂ1942), Estonian politician
- Benedikt Maria Leonhard von Werkmeister (1745âÂÂ1823), German Roman Catholic theologian
- Diederich Franz Leonhard von Schlechtendal (1794âÂÂ1866), German botanist
- Dieterich Leonhard Oskamp (1756âÂÂ1803), Dutch natural historian and author
- Friedrich Georg Leonhard Miedke (1803âÂÂ1842), German actor, singer, composer, theatre director, painter and author
- Fritz Leonhard Redlich (1892âÂÂ1978) was a German businessman and economic historian
- Hans Leonhard Schäufelein (âÂÂ1540), German painter and woodcuts designer
- Heinrich Leonhards Skuja (1892âÂÂ1972), Latvian botanist
- Johann Leonhard Dober (1706âÂÂ1766), German missionary
- Johan Leonhard Fix (1735âÂÂ1807), German-Danish merchant and colonial governor
- Johann Leonhard Frisch (1666âÂÂ1743), German linguist, entomologist and ornithologist
- Johann Leonhard Hug (1765âÂÂ1846), German Roman Catholic theologian, orientalist and biblical scholar
- Johann Leonhard Pfaff (1775âÂÂ1848), German Roman Catholic prelate
- Johann Leonhard Raab (1825âÂÂ1899), German printmaker and painter
- Johann Leonhard Rost (1688âÂÂ1727), German astronomer and author
- Karl Dietrich Leonhard Engel (1824âÂÂ1913), German musician and author
- Karl Leonhard Reinhold (1757âÂÂ1823), Austrian philosopher
- Leonhard Adelt (1881âÂÂ1945), German translator and author
- Leonhard Agtstein (), Swiss compositor
- Leonhard Baldner (1612âÂÂ1694), Strasbourg German fisherman and naturalist
- Leonhard Baumeister (1904âÂÂ1972), German politician
- Leonhard Beck (âÂÂ1542), German painter and woodcuts designer
- Leonhard Blasius (died 1644), Danish architect
- Leonhard Graf von Blumenthal (1810âÂÂ1900), officer of the Prussian Army and the Imperial German Army
- Leonhard von Call (1767âÂÂ1815), Austrian composer and virtuoso
- Leonhard Christian Borchgrevink Holmboe (1802âÂÂ1887), Norwegian Lutheran minister and politician
- Leonhard Deininger (1910âÂÂ2002), German politician
- Leonhard Dientzenhofer (1660âÂÂ1707), German builder and architect
- Leonhard Drach (1903âÂÂ1996), German jurist and convicted war criminal
- Leonhard von Eck (1480âÂÂ1550), Chancellor of Bavaria
- Leonhard Ennen (1820âÂÂ1880), German Roman Catholic theologian, historian and archivist
- Leonhard Euler (1707âÂÂ1783), Swiss mathematician and physicist
- Leonhard Frank (1882âÂÂ1961), German author
- Leonhard Fredrik Rääf (1786âÂÂ1872), Swedish folklorist, historian and politician
- Leonhard Fronsperger (âÂÂ1575), German soldier and author
- Leonhart Fuchs (1501âÂÂ1566), German physician and botanist
- Leonhard Gall (1884âÂÂ1952), German architect
- Leonhard Gey (1838âÂÂ1894), German history painter and art professor
- Leonhard Grill, Austrian experimental physicist and academic
- Leonhard of Gorizia (1440âÂÂ1500), Count of Gorizia/Görz
- Leonhard Haas (born 1982), German retired footballer
- Leonhard Haeger (1867âÂÂ1977), American architect
- Leonhard Harding (born 1936) German historian and scholar in African studies
- Leonhard Haskel (1872âÂÂ1923), German actor and drama teacher
- Leonhard Helmschrott (1921âÂÂ2011), German journalist and politician
- Leonhard von Hohenhausen (1788âÂÂ1872), German military and war minister
- Leonhard Hutter (1563âÂÂ1616), German Lutheran theologian
- Leonhard Käär (1904âÂÂ1963), Estonian politician
- Leonhard Kaiser (1480âÂÂ1527), German Lutheran theologian and reformer
- Leonhard Kass (1911âÂÂ1985), Estonian footballer
- Leonhard Kaufmann (born 1989), Austrian footballer
- Leonhard Kaupisch (1878âÂÂ1945), German general
- Leonhard von Keutschach (âÂÂ1519), Prince-Archbishop of Salzburg
- Leonhard Kleber (âÂÂ1556), German organist and composer
- Leonhard Koeppe (1884âÂÂ1969), German ophthalmologist
- Leonhard Kohl von Kohlenegg (1834âÂÂ1875), Austrian actor and author
- Leonhard Kubizek (born 1963), Austrian musician and director
- Leonhard Kukk (1906âÂÂ1941) Estonian weightlifter
- Leonhard von Laiming (1381âÂÂ1451), German Roman Catholic prelate
- Leonhard Lapin (1947âÂÂ2022), Estonian architect, artist, historian and poet
- Leonhard Lechner (âÂÂ1606), German composer, kapellmeister, tenor and music editor
- Leonhard Ludwig Finke (1747âÂÂ1837), German physician
- Leonhard Machu (1909âÂÂ1967), Austrian footballer
- Leonhard Mahlein (1921âÂÂ1985), German trade unionist
- Leonhard Merzin (1934âÂÂ1990), Estonian actor
- Leonhard Münst (born 2002), German footballer
- Leonhard Nagenrauft (1938âÂÂ2017), German luger
- Leonhard Päminger (1495âÂÂ1567), Austrian-German Lutheran theologian, poet and composer
- Leonhard Pföderl (born 1993), German ice hockey player
- Leonhard Pohl (1929âÂÂ2014), German athlete
- Léonhard Quaglia (1896âÂÂ1961), French ice hockey player and speed skater
- Leonhard Ragaz (1868âÂÂ1945), Swiss Reformed theologian
- Leonhard Rauwolf (1535âÂÂ1596), German physician and botanist
- Leonhard Reichartinger (died 1396), German Crusader
- Leonhard Romeis (1854âÂÂ1904), German architect
- Leonhard Schiemer (