Leonardus

Leonardus is a Latinized version of the Germanic name 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 name
Sanctus Leonardus (died 559 AD), Frankish noble, abbot and Christian saint
Leonardus Achates (Leonhard Agtstein; f.1472–1491), Swiss printer in Italy
Leonardus Bruni Aretinus (Leonardi Bruni; c.1370–1444), Italian humanist, historian and statesman
Leonardus Lessius (Lenaert Leijs; 1554–1623), Flemish Jesuit theologian
Leonardus Roselli (died 1606), Italian bishop
Leonardus Vincius (1452–1519), Leonardo da Vinci
Birth name
Leonardus Petrus "Leo" Beukeboom (born 1943), Dutch signpainter 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 (born 1945), Belgian footballer
Petrus Leonardus "Leo" Ehlen (1953–2016), Dutch footballer
Leonardus J.P.M. "Léon" Frissen (born 1950), Dutch Queen's Commissioner of Limburg
Leonardus Eustachius "Leen" Jansen (1930–2014), Dutch boxer
Leonardus F.E. "Leon" Kantelberg (born 1978), 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 of Foreign Affairs
Jan Leonardus "Lennie" Louw (born 1959), South African-born Namibian crickete
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 (born 1945), 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 (born 1955), Dutch road racing cyclist
Leonardus van der Voort (1762–1809), Dutch politician of the Batavian Republic

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Latinised form of Leonhard. Strong as the lion, brave lion. Combine of levon (lion) and hard (brave, hardy).

Popularity	Name	Birth Year	Description
1	Leonardus Benjamin Moerdani	1932	Indonesian politician and general
2	Leonardus JP Siegers	1956
3	Leonardus Lessius	1554	Lenaert Leys, Flemish moral theologian from the Jesuit order
4	Leonardus van der Kroft	1929	Dutch association football referee
5	Leonardus Antonius Lightenvelt	1795	Dutch government minister and judge. 1795-1873
6	Leonardus Nardus	1868	Dutch fencer and art collector
7	Leonardus Achates	1500	Compositor
8	Leonardus Trip	1876	Dutch tennis player, private banker, civil servant and treasurer general
9	Leonardus Syttin	1892	Lithuanian sport shooter
10	Leonardus Marinus van den Berg	1877	Dutch university professor
11	Leonardus Miau	1965
12	Leonardus Vairus	1540	Italian bishop (1540-1603)
13	Leonardus Roselli
14	Leonardus Albert Fruytier	1882	Dutch politician
15	Leonardus Dobbelaar	1942	Dutch catholic priest (1942-2008)
16	Leonardus Cornelius Michels	1887	Dutch writer and poet (1887-1984)
17	Leonardus van der Voort	1762
18	Leonardus Goyaerts	1852	Dutch architect and politician
19	Leonardus Hendrik Penninkx	1895
20	Leonardus Temminck	1753	Dutch painter
21	Leonardus de Blinde	1884	Dutch architect
22	Leonardus Lambrechts	1795	Belgian mayor (1795-1865)
23	Leonhard Schleicher
24	Leonardus Doortmont	1856