Joanna Stone

Joanna "Jo" Stone-Nixon (born 4 October 1972 in London, England) is a retired javelin thrower, who represented Australia twice at the Summer Olympics, starting in 1996. She is best known for winning the silver medal at the 1997 World Championships in Athens, Greece. Stone was the appellant in an important High Court of Australia case on taxation law, Federal Commissioner of Taxation v Stone (2005) 59 ATR 50.

Stone-Nixon is now mother of two children, Ella Jane Nixon and James Edward Nixon. Her sporting courier ended in early 2001, after her performance in the Sydney Olympic games in 2000, with a final throw of 54.34 metres.