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All around the world, ניקולאוס (Nikolaus , Nicolaus , Niklaus ) is a common male first name. The given name ניקולאוס is habitual in Germany, where it is quite a common boy's name, Austria, and Tanzania (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Germany, Tanzania, and Indonesia. Very seldom, ניקולאוס is the last name as well as the forename.
ניקולאוס is also a name for the fictitious and mythical characters: Niklaus Mikaelson , the fictional character in The Vampire Diaries and The Originals television series; Nikolaus Sprink , the operatic character in the opera Silent Night by Kevin Puts; an opera singer; Nikolaus , character in Dampyr; Nikolaus Spitz , the operatic character in the opera Der Bärenhäuter (Siegfried Wagner) and Nikolaus Laufberger , the operatic character in the opera Das Testament (Kienzl).