Nikolaus is a given name. Notable people with this name include the following:

• Nikolaus Geiger (1849–1897), German sculptor and painter.
• Nikolaus Gerhaert (c.1420 – 1473), Dutch sculptor
• Nikolaus Glockendon (fl. 1515 – 1534), German illustrator
• Nikolaus Hagenauer (c. 1445/1460 — 1538), German sculptor
• Nikolaus Knüpfer (1609–1655), Dutch painter
• Nikolaus van Hoy (b. Antwerp, 1631 – d. Vienna, 25 June 1679), Flemish painter

• Nikolaus Andreas von Katzler (1696–1760), Prussian lieutenant general
• Nikolaus Barbie (1913–1991), German SS and Gestapo functionary known as Klaus Barbie
• Nikolaus Heilmann (1903–1945), German Nazi
• Nikolaus Heinrich von Schönfeld (1733–1795), Prussian general
• Nikolaus Herbet (1889 – unknown), German SS officer
• Nikolaus Ritter (1899–1974), German military officer
• Nikolaus von Falkenhorst (1885–1968), German general
• Nikolaus zu Dohna-Schlodien (1879–1956), German naval officer
• Nikolaus von Maillot de la Treille (1774–1834), Bavarian lieutenant general and War Minister
• Nikolaus von Rauch (1851–1904), Prussian cavalry officer
• Nikolaus von Vormann (1895–1959) German general

• Nikolaus Harnoncourt (1929–2016), Austrian conductor
• Nikolaus Hillebrand (born 1948), German operatic bass-baritone
• Nikolaus Selnecker (1530–1592), German musician
• Nikolaus Simrock (1751–1832), German musician
• Nikolaus Kittel (1805/6 – 1868), Russian violin and bow make
• Nikolaus Kraft (1778–1853), Austrian cellist and composer
• Nikolaus Lehnhoff (1939–2015), German opera director
• Nikolaus Newerkla (born 1974), Austrian harpsichordist, arranger and conductor
• Nikolaus von Krufft (1779–1818), Austrian composer

• Nikolaus Berlakovich (born 1961), Austrian politician
• Nikolaus Dumba (1830–1900), Austrian politician
• Nikolaus Georg von Reigersberg (1598–1651), German politician
• Nikolaus Krell (c. 1551 – 1601), German politician
• Nikolaus Meyer zum Pfeil (1451–1500), Swiss renaissance humanist and politician
• Nikolaus Müller (1892–1980), German politician
• Nikolaus Welter (1871–1951), Luxembourgish writer and politician known as Nik Welter

• Nikolaus Creutzer (died 1525), Roman Catholic prelate
• Nikolaus Decius (c. 1485 – 1541), German monk
• Nikolaus von Laun, German Bohemian Augustinian friar
• Nikolaus Gross (1898–1945), German Roman Catholic
• Nikolaus Herman (c. 1500 – 1561), German Lutheran cantor
• Nikolaus Messmer (1954–2016), Kyrgyzstani Roman Catholic prelate
• Nikolaus Nilles (1828–31 – 1907), Luxembourgian Roman Catholic writer and teacher
• Nikolaus of Banz, Polish Roman Catholic canon
• Nikolaus Schienen (1491–1556), German Roman Catholic prelate
• Nikolaus Schneider (born 1947), German evangelical
• Nikolaus Storch (pre-1500 – after 1536), German radical lay-preacher
• Nikolaus von Dinkelsbühl, Austrian Roman Catholic clergyman, pulpit orator and theologian
• Nikolaus von Schönberg (1472–1537), German Cardinal

• Jobst Nikolaus I, Count of Hohenzollern (1433–1488), German nobleman
• Nikolaus I, Prince Esterházy (1714–1790), Hungarian prince
• Nikolaus II, Prince Esterházy (1765–1833), Hungarian prince
• Nikolaus III, Prince Esterházy (1817–1894), Hungarian prince
• Nikolaus VI Graf Pálffy von Erdőd (1657–1732), Hungarian nobleman known as Miklós Pálffy
• Nikolaus Bodman (1903–1988), German nobleman, ornithologist and bird conservationist
• Nikolaus, Count Esterházy (1583–1645), Hungarian royal
• Nikolaus, Hereditary Grand Duke of Oldenburg (1897–1970), German royal
• Prince Nikolaus of Liechtenstein (born 1947), Liechtensteinian Ambassador
• Prince Nikolaus of Thurn and Taxis (1885–1919) (1885–1919), German royal
• Prince Nikolaus Wilhelm of Nassau (1832–1905), Prussian royal

• Nikolaus Ager (1568–1634), French physician and botanist
• Nikolaus Correll (born 1977), German roboticist
• Nikolaus Eglinger (1645–1711), Swiss physician
• Nikolaus Friedreich (1825–1882), German scientist
• Nikolaus Joseph Brahm (1754–1821), German zoologist
• Nikolaus Joseph von Jacquin (1727–1817), Austrian scientist
• Nikolaus Hofreiter (1904–1990), Austrian mathematician
• Nikolaus Poda von Neuhaus (1723–1798), Austrian entomologist
• Nikolaus Riehl (1901–1990), German physicist
• Nikolaus Rüdinger (1832–1896), German anatomist
• Nikolaus Wolfgang Fischer (1782–1850), German chemist.

• Nikolaus Biewer (1922–1980), German footballer
• Nikolaus Jedlicka (born 1987), Austrian poker player known as Niki Jedlicka
• Nikolaus Mayr-Melnhof (born 1978), Austrian racing driver
• Nikolaus Mondt (born 1978), German ice hockey player
• Nikolaus Moser (born 1990), Austrian tennis player
• Nikolaus Ott (born 1945), West German rower known as Niko Ott
• Nikolaus Resch, Austrian sailor

• Count Nikolaus Szécsen von Temerin (1857–1926), Austro-Hungarian diplomat
• Nikolaus Bachler (born 1951), Austrian theater and opera director and actor
• Nikolaus Becker (1809–1845), German writer
• Nikolaus Blome (born 1963), German journalist
• Nikolaus Brender (born 1949), German journalist
• Nikolaus Ehlen (1886–1965), German pacifist teacher
• Nikolaus Federmann (c. 1505 – 1542), German adventurer and conquistador
• Nikolaus Frank (born 1964), Swedish industrial designer
• Nikolaus Friedrich von Thouret (1767–1845), German architect
• Nikolaus Gerbel (c. 1485 – 1560), German humanist, jurist and doctor of both laws
• Nikolaus Geyrhalter (born 1972), Austrian filmmaker
• Nikolaus Gjelsvik (1866–1938), Norwegian jurist
• Nikolaus Gromann (c. 1500 – 1566), German architect
• Nikolaus Katzer (born 1952), German historian
• Nikolaus Knoepffler (born 1962), German philosopher
• Nikolaus Lenau nom de plume of Nikolaus Franz Niembsch Edler von Strehlenau (1802–1850), Austrian poet
• Nikolaus Meyer-Landrut (born 1960), German diplomat
• Nikolaus Paryla (born 1939), Austrian actor and stage director
• Nikolaus Pevsner (1902–1983), British historian
• Nikolaus Senn (1926–2014), Swiss jurist, economist and banker
• Nikolaus Stanec (born 1968), Austrian chess master
• Nikolaus von Halem (1905–1944), German resistance fighter
• Nikolaus von Jeroschin (ca.1290 – 1341), German historian
• Nikolaus von Üxküll-Gyllenband (1877–1944), German businessman
• Nikolaus Wachsmann (born 1971), German historian
• Nikolaus Zmeskall (1759–1833), Hungarian official

• Andreas Nikolaus Lauda (1949–2019), Austrian Formula One driver known as Niki Lauda
• Christian Nikolaus Eberlein (1720–1788), German historical painter
• Dietrich Nikolaus Winkel (1777–1826), German inventor
• Franz Nikolaus Finck (1867–1910), German philologist
• Franz Nikolaus Novotny (1743–1773), Austrian organist and composer
• Friedrich Wilhelm Nikolaus Karl (1831–1888), German Emperor
• Georg Nikolaus von Nissen (1761–1826), Danish diplomat and historian
• Gustav Nikolaus Tiedemann (1808–1849), German revolutionary
• Joseph Nikolaus de Vins (1732–1798), Austrian general
• Johann Nikolaus Forkel (1749–1818), German musician, musicologist and music theorist
• Johann Nikolaus Götz (1721–1781), German poet
• Johann Nikolaus Hanff (1663–1711), German organist and composer
• Johann Nikolaus von Hontheim (1701–1790), German historian and theologian
• Johann Nikolaus Weislinger (1691 – 29 August 1755), German polemical writer
• Johannes Nikolaus Tetens (1736–1807), German-Danish philosopher
• Johann Nikolaus Stupanus (1542–1621), Swiss physician
• Niels Nikolaus Falck (1784–1850), Danish jurist and historian
• Paul Nikolaus Cossmann (1869–1942), German journalist
• Simon Nikolaus Euseb von Montjoye-Hirsingen (1693–1775), German Prince-Bishop of Basel
• Wilhelm Nikolaus Suksdorf (1850–1932), German botanist

• All pages with titles beginning with Nikolaus
• All pages with titles containing Nikolaus
• Nikolaus (disambiguation)
• Nickolaus
• Nicolaus
• Niklaus (name)