Johannes Knoblauch (27 August 1855, Halle (Saale) – 22 July 1915, Berlin) was a German mathematician.
[2] His doctoral dissertation "Ueber die Allgemeine Wellenfläche" was supervised by Karl Weierstrass.
At the Friedrich Wilhelm University of Berlin, after his Habilitation in 1883 he was appointed Privatdozent.
[5] In 1906/07 Knoblauch worked with Kazimierz Żorawski on new group theoretical methods.
[2] The grave of the married couple is in the cemetery Alter Friedhof der St.-Nikolai- und St.-Marien-Gemeinde in the Pankow borough of Berlin.