Wolfgang Rennert (1 April 1922 – 24 March 2012) was a German conductor. He focused on opera, at the Oper Frankfurt, Staatsoper Berlin, Mannheim National Theatre and the Semperoper, among others. He premiered operas, such as Louise Talma's Die Alkestiade in Frankfurt, and Rainer Kunad's Sabellicus in East Berlin. Regarded as a specialist in Mozart, Wagner and Strauss, he was a guest conductor at international opera houses including the Royal Opera House in London, the San Francisco Opera and the Dallas Opera.