The Dortmunder Philharmoniker are a German symphony orchestra based in Dortmund. The orchestra of the Theater Dortmund performs opera in the Opernhaus Dortmund and concert in the Konzerthaus Dortmund. The orchestra was founded in 1887 and has been shaped by conductors such as Wilhelm Schüchter, Marek Janowski, Moshe Atzmon and Jac van Steen.

Theater Dortmund is a theatrical organization that produces operas, musicals, ballets, plays, and concerts in Dortmund, Germany. It was founded as the Stadttheater Dortmund in 1904. Supported by the German Government, the organization owns and operates several performance spaces.