Nikolaus Hagenauer (c. 1445/1460 — before 1538) was a German late gothic sculptor from Hagenau (Alsace in the Holy Roman Empire, present day France). He was most likely born as Niklas Zimmerlin, but was also documented and signed works as Niclas Hagenauer, Niklaus Hagenauer, Niclas Hagnower, Niklaus Hagnower, Niclas von Hagenau and other variants.