'''Nickolaus''' is a given name and a surname. Notable people with this name include the following:
==Given name== *Nickolaus Hirschl (1906–1991), Austrian wrestler *Nickolaus Mowrer, known as Nick Mowrer (born 1988), American sport shooter.
==Surname== *John M. Nickolaus Jr. (1913–1985), American cinematographer
==See also== {{srt}} *Nicholaus *Nicklaus (name) *Nickolas *Nikolaus (given name)
{{given name|type=both}}