Leonardus is a Latinized version of the Germanic masculine name Leonard. Leonardus has been a relatively common birth name in the Netherlands, though most people use(d) a short form in daily life, like Leen, Leendert, Lennaert, Lennard, Lennart, Lennert, Lennie, Leo, Leon, Leonard and Lon.Latinized nameSanctus Leonardus, Frankish noble, abbot and Christian saint Leonardus Achates, Swiss printer in Italy Leonardus Bruni Aretinus, Italian humanist, historian and statesman Leonardus Lessius, Flemish Jesuit theologian Leonardus Roselli, Italian bishop Leonardus Vincius (1452–1519), Leonardo da VinciBirth nameLeonardus Petrus "Leo" Beukeboom (1943–2017), Dutch sign painter and lettering artist Leonardus L.J. "Leo" de Bever (1930–2015), Dutch architect Leonardus Bramer (1596–1674), Dutch painter Leonardus Dobbelaar (1942–2008), Dutch bishop in Ethiopia Leonardus "Léon" Dolmans, Belgian footballer Petrus Leonardus "Leo" Ehlen (1953–2016), Dutch footballer Leonardus J.P.M. "Léon" Frissen, Dutch Queen's Commissioner of Limburg Leonardus Eustachius "Leen" Jansen (1930–2014), Dutch boxer Leonardus F.E. "Leon" Kantelberg, Dutch footballer Leonardus Gerardus Kortenhorst (1886–1963), Dutch President of the House of Representatives Leonardus van der Laan (1864–1942), Dutch architect Leonardus Antonius Lightenvelt (1795–1873), Dutch Minister of Justice and Foreign Affairs Jan Leonardus "Lennie" Louw, South African-born Namibian cricketer Leonardus Benjamin Moerdani (1932–2004), Indonesian general and Minister of Defense Leonardus Nardus (1868–1955), Dutch fencer Leonardus Offerhaus (1699–1779), German-born Dutch librarian and university president Leonardus J.H. “Leo” Passage (1936–2011), Dutch-born American hairstylist, educator, innovator and philanthropist Leonardus P.P. "Lon" Pennock (1945–2020), Dutch sculptor, monumental artist and photographer Leonardus Syttin (1892–?), Lithuanian sport shooter Leonardus Cornelius van der Valck (1769–1845), Dutch diplomat and mysterious count in Germany Leonardus Q.M. "Leo" van Vliet, Dutch road racing cyclist Leonardus van der Voort (1762–1809), Dutch politician of the Batavian Republic