Wolfgang Krull (26 August 1899 – 12 April 1971) was a German mathematician who made fundamental contributions to commutative algebra, introducing concepts that are now central to the subject.

Krull was born and went to school in Baden-Baden. He attended the Universities of Freiburg, Rostock and finally Göttingen from 1919–1921,^[1] where he earned his doctorate under Alfred Loewy. He worked as an instructor and professor at Freiburg, then spent a decade at the University of Erlangen. In 1939, Krull moved to become chair at the University of Bonn, where he remained for the rest of his life. Wolfgang Krull was not a member of the Nazi Party.^[2]

His 35 doctoral students include Wilfried Brauer, Karl-Otto Stöhr and Jürgen Neukirch.