Joseph Joachim (* 28 June 1831 in the former Hungarian town of Kittsee near Pressburg, since 1921 Burgenland; † 15 August 1907 in Berlin) was an Austro-Hungarian violinist, conductor and composer. He was considered one of the most important violinists of his time. His nephew is the British philosopher Harold H. Joachim. The German actress Katharina Thalbach (civil name Katharina Joachim Thalbach) is also related to him.