Nicolaus is a masculine given name. It is a Latin, Greek and German form of Nicholas. Nicolaus may refer to:
In science:
Nicolaus Copernicus, Polish astronomer who provided the first modern formulation of a heliocentric theory of the solar system
In mathematics:
Nicolaus I Bernoulli, Swiss mathematician
Nicolaus II Bernoulli, Swiss mathematician
Nicolaus Rohlfs, 18th-century German mathematics teacher who wrote astronomical calendars
In literature:
Nicolaus Becker, German lawyer and writer, the author of the Rheinlied
Nicolaus of Damascus, Greek historical and philosophical writer who lived in the Augustan age
In music:
Nicolaus Bruhns, German composer
Nicolaus Zacharie, Italian composer of the early Renaissance
In Christianity:
Nicolaus Ludwig Zinzendorf, German religious and social reformer and bishop of the Moravian Church
Nicolaus Taurellus, German philosopher and theologian
Nicolaus of Antioch, one of the seven deacons listed in The Acts of the Apostles, chapter 6, verse 5
In other fields:
Nicolaus Delius, German philologist
