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, and finally Göttingen, where he earned his doctorate under Felix Klein. 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 a member of the NSDAP.
His 35 doctoral students include Wilfried Brauer, Karl-Otto Stöhr and Jürgen Neukirch.