Nicolaus \n(i)-co-laus\ as a boy's name is a variant of Nicholas (Greek), and the meaning of Nicolaus is "people of victory".

The baby name Nicolaus sounds like Nikolaus, Nicolas, Nicolaas, Nickolaus and Nicholaus. Other similar baby names are Nikolas, Nicolls, Nicolis, Nicolay, Nicolao, Nicolai, Nicola, Nickolas and Nicklas.