Nicolaas is the

Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...

equivalent of the masculine given name Nicholas. Before the 19th century the name was also written

Nicolaes Nicolaes is a given name that is spelled Nicolaas in modern Dutch. Notable people * Nicolaes Pieterszoon Berchem (1620–1683), Dutch Golden Age painter * Nicolaes Boddingius (1605–1669), Dutch schoolmaster, writer and minister *Nicolaes Borrem ...

, while Nikolaas is an uncommon variant spelling. Most people with the name use a short form in daily life, like ''Claas'', '' Claes'', ''

Klaas Klaas is a Dutch male given and surname. It is the Dutch short form of Nicholas, a Greek name ultimately meaning ''victory of the people''. A traditionally common name in the Netherlands, its popularity declined some 20-fold since 1950.

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Nico Naftiran Intertrade Company limited (NICO) is a Swiss-based subsidiary of the National Iranian Oil Company (NIOC). NICO is a general contractor for the oil and gas industry. NIOC buys the vast majority of Iran's gasoline imports. NICO is a key pl ...

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Niek Niek is a Dutch masculine given name. It is a short form (usually a hypocorism) of Nicolaas Nicolaas is the Dutch equivalent of the masculine given name Nicholas. Before the 19th century the name was also written Nicolaes, while Nikolaas is an unc ...

''. Notable people with the name Nicolaas or Nikolaas include:

Academics

Nicolaas Bidloo Nicolaas Bidloo (c. 1673/74 – 23 March 1735) was a Dutch physician who served as the personal physician of Tsar Peter I of Russia (Peter the Great). Bidloo was the director of the first hospital in Russia as well as the first medical scho ...

(1673–1735), Dutch personal physician to Tsar Peter the Great *

Nicolaas Bloembergen Nicolaas Bloembergen (March 11, 1920 – September 5, 2017) was a Dutch-American physicist and Nobel laureate, recognized for his work in developing driving principles behind nonlinear optics for laser spectroscopy. During his career, he was a p ...

(1920–2017), Dutch-American physicist and Nobel laureate * Nicolaas Bom (born 1937), Dutch electrical engineer * Nicolaas H. J. van den Boogaard (1938–1982), Dutch medievalist scholar *

Nicolaas Govert de Bruijn Nicolaas Govert (Dick) de Bruijn (; 9 July 1918 – 17 February 2012) was a Dutch mathematician, noted for his many contributions in the fields of analysis, number theory, combinatorics and logic.

(1918–2012), Dutch mathematician *

Nicolaas Laurens Burman Nicolaas Laurens Burman (27 December 1734 – 11 September 1793) was a Dutch botanist. He was the son of Johannes Burman (1707–1780). He succeeded his father to the chair of botany at the Athenaeum Illustre of Amsterdam., and at the Hortus Bo ...

(1734–1793), Dutch botanist *

Nicolaas Duneas Nicolaas Duneas is a South African biochemist and developer of osteogenic biomaterials. He is the co-founder (with Nuno Pires) and CEO of Altis Biologics. The company developed the first injectable treatment for bone injuries that require gr ...

(born c. 1972), South African biotech entrepreneur * Nicolaas Everaerts (1461–1532), Dutch jurist *

Nicolaas Hartsoeker Nicolaas Hartsoeker (26 March 1656 – 10 December 1725) was a Dutch mathematician and physicist who invented the screw-barrel simple microscope . Biography He was the son of Anna van der Meij and Christiaan Hartsoeker (1626–1683), a Remonst ...

(1656–1725), Dutch mathematician, physicist, and microscopist *

Nicolaas Heinsius the Elder Nicolaas Heinsius the Elder ( la, Nicolaus Heinsius; 20 July 1620 – 7 October 1681) was a Dutch classical scholar, poet and diplomat. He travelled all over Europe to visit the major libraries and over time collected Europe's largest priva ...

(1620–1681), Dutch classical scholar and poet *

Nicolaas Heinsius the Younger Nicolaas Heinsius the Younger (1656, The Hague – buried 12 January 1718, Culemborg) was a Dutch physician and writer. Life Heinsius was an illegitimate son of Nicolaas Heinsius the Elder and his long term Swedish-born partner, Margaretha Wulle ...

(1656–1718), Dutch physician and writer *

Nicolaas Marinus Hugenholtz Nicolaas Marinus Hugenholtz (born 26 April 1924) is a Dutch physicist. He was a professor of theoretical physics at the University of Groningen between 1960 and 1989. Hugenholtz was born in Wormerveer. He studied physics at Leiden University and o ...

(born 1924), Dutch physicist * Nicolaas Godfried van Kampen (1921–2013), Dutch theoretical physicist *

Nicolaas Kruik Nicolaas Samuelszoon Kruik ( la, Nicolaus Samuelis Cruquius; 2 December 1678, West-Vlieland – 5 February 1754, Spaarndam), also known as Klaas Kruik and Nicolaes Krukius, was a Dutch land surveyor, cartographer, astronomer and weatherman. He i ...

(1678–1754), Dutch land surveyor, cartographer, astronomer and weatherman known as ''Cruquius'' *

Nicolaas Kuiper Nicolaas Hendrik Kuiper (; 28 June 1920 – 12 December 1994) was a Dutch mathematician, known for Kuiper's test and proving Kuiper's theorem. He also contributed to the Nash embedding theorem. Kuiper studied at University of Leiden in 1937-4 ...

(1920–1994), Dutch mathematician *

Nicolaas Meerburgh Nicolaas Meerburgh (1734 in Leiden – 20 March 1814 in Leiden) was a Netherlands gardener, botanist and botanical illustrator. His date of birth is unknown, but he was baptized on February 3, 1734. He was possibly trained by the gardener Adria ...

(1734–1814), Dutch botanist and botanical garden director * Nicolaas des Muliers (1564–1630), Flemish-born Dutch physician and astronomer known as ''Mulerius'' *

Nicolaas Nagelkerke Nicolaas Jan Dirk "Nico" Nagelkerke (born 1951) is a Dutch biostatistician and epidemiologist. As of 2012, he was a professor of biostatistics at the United Arab Emirates University. He previously taught at the University of Leiden in the Netherl ...

(born 1951), Dutch biostatistician and epidemiologist * Nicolaas M.M. Nibbering (1938–2014), Dutch chemist and mass spectrometrist *

Nicolaas Wilhelmus Posthumus Nicolaas Wilhelmus Posthumus or N.W. Posthumus (26 February 1880 in Amsterdam – 18 April 1960 in Bussum) was a Dutch economic historian, political scientist, and professor at Erasmus University Rotterdam. Posthumus was one of the founders of ...

(1880–1960), Dutch economic historian and political scientist * Nicolaas J.M. Roozen (born 1953), Dutch economist *

Nicolaas Adrianus Rupke Nicolaas Adrianus Rupke (born 22 January 1944 in Rotterdam) is a Dutch historian of science, who began his academic career as a marine geologist.''Who is Who in the World 2011'' - 28th edition. He studied biology and geology at the university of ...

(born 1944), Dutch historian of science *

Nicolaas Stenius Nicolaes van der Steen, or Nicolaas Stenius (1605 – 1670), was a Dutch theologian, best known today for his portrait by Frans Hals. Biography He was born in Haarlem, and according to the NNBW he became canon priest of the Old Catholic Haar ...

(1605–1670), Dutch theologian portrayed by Frans Hals *

Nicolaas Jan van Strien Nicolaas Jan van Strien (1 April 1946 – 7 February 2008), or just Nico van Strien, was a zoologist and conservationist of Dutch ancestry. He became notable for his conservation projects on the Sumatran Rhinoceros and the Javan Rhinoceros. Nico ...

(1946–2008), Dutch zoologist and conservationist *

Nikolaas Tinbergen Nikolaas "Niko" Tinbergen (; ; 15 April 1907 – 21 December 1988) was a Dutch biologist and ornithologist who shared the 1973 Nobel Prize in Physiology or Medicine with Karl von Frisch and Konrad Lorenz for their discoveries concerning the o ...

(1907–1988), Dutch biologist and ornithologist and Nobel Laureate * (1880–1941), Dutch linguist and slavist

Arts

* Nicolaas Bastert (1854–1939), Dutch landscape painter * Nicolaas Baur (1767–1820), Dutch marine painter *

Nicolaas van Eyck Nicolaas van Eyck or Nicolaes van Eyck (1617–1679) was a Flemish painter active in Antwerp in the middle of the 17th century. He is known for his equestrian and battle scenes, landscapes and portraits. He also painted a few civil processions, ...

(1617–1679), Flemish painter * Nikolaas van Hoy (1631–1679), Flemish painter active in Austria * Nicolaas Wilhelm Jungmann (1872–1935), Dutch-English painter and illustrator * Nicolaas de Liemaecker (1601–1646), Flemish historical painter *

Nicolaas Piemont Nicolaes Piemont (1644–1709) was a Dutch Golden Age landscape painter who travelled to Rome in the 1670s. Biography Nicolaas Piemont was born in Amsterdam. According to Houbraken, Piemont was a member of the Bentvueghels with the nickname ...

(1644–1709), Dutch landscape painter *

Nicolaas Pieneman Nicolaas Pieneman (; 1 January 1809 – 30 December 1860) was a Dutch painter, art collector, lithographer, and sculptor. Biography Nicolaas Pieneman was born on 1 January 1809 in Amersfoort in the Kingdom of Holland. He was the son of painte ...

(1809–1860), Dutch painter, art collector, lithographer, and sculptor * Nicolaas Pieneman (1880-1938), Dutch painter * Nicolaas Regnier (1591–1667), Flemish painter and art collector *

Nicolaas Johannes Roosenboom Nicolaas Johannes Roosenboom (23 August 1805 – 1 March 1880), was a Dutch painter, etcher, lithographer, watercolorist, and illustrator who was specialised in landscape art.

(1843–1896), Dutch landscape painter * Nicolaas Roosendael (1634–1686), Dutch painter * Nicolaas Rubens, Lord of Rameyen (1618–1655), Flemish son of the painter Peter Paul Rubens *

Nicolaas Verkolje Nicolaas Verkolje (11 April 1673, Delft – 21 January 1746, Amsterdam), was a Dutch painter and mezzotint maker. Biography According to Houbraken he was the son of Jan Verkolje and the only one of 5 children to carry on his art.