Christine O'Neil (born 19 March 1956) is an Australian former professional tennis player.

[4][5] O'Neil is also one of the few players who have won both the Australian Open junior (1973) and senior (1978) titles.

[4] In 2007, along with her brothers Keith and William, O'Neil took over the Morisset Sports & Tennis Centre located in Newcastle, New South Wales.

She then moved on to operate O'Neil's School of Tennis in Cessnock, New South Wales.

[6][7] Note: The Australian Open was held twice in 1977, in January and December.