The 1968 Australian Championships was a tennis tournament that took place in the outdoor Kooyong Stadium in Melbourne, Australia from 19 to 29 January. It was the 56th edition of the Australian Championships (now known as Australian Open), the 15th held in Melbourne, and the first Grand Slam tournament of the year. It was also the last Grand Slam tournament to be restricted to amateurs. The singles titles were won by Australian William Bowrey and American Billie Jean King.

William Bowrey defeated Juan Gisbert, Sr. 7–5, 2–6, 9–7, 6–4
It was Bowrey's only Grand Slam title.

Billie Jean King defeated Margaret Court 6–1, 6–2
It was King's 13th Grand Slam title.

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