Joshua Katz was born on December 29, 1997. He is an Australian judoka. Katz competed at the 2016 Summer Olympics in the men's 60 kg event and was eliminated in the second round by Diyorbek Urozboev. Her mother is former judoka who competed at the 1988 Summer Olympics, when judo was a demonstration event. His older brother, Nathan Katz, also competed for Australia in judo at the Rio Olympics.