Nicholaus is a masculine given name. People with that name include the following:Nicholaus Arson the stage name of Niklas Almqvist, Swedish musician Nicholaus Contreraz, American torture victim Nicholaus Goossen, American director Nicholaus John Michael Gordon, Canadian singer, rapper, and songwriter known by his stage name Lil Pappie Nicholaus R. Kipke, American politician known as Nic Kipke Nicholaus Marx, American politician Nicholaus Szewczyk, Polish businessman,lawyer. Nicholaus Cummins, American physician