1958 Australian Championships

The 1958 Australian Championships was a tennis tournament that took place on outdoor Grass courts at the White City Tennis Club, Sydney, Australia from 17 January to 27 January. It was the 46th edition of the Australian Championships (now known as the Australian Open), the 13th held in Sydney, and the first Grand Slam tournament of the year. The singles titles were taken by Ashley Cooper and Angela Mortimer.

Ashley Cooper defeated Malcolm Anderson 7–5, 6–3, 6–4

Angela Mortimer defeated Lorraine Coghlan 6–3, 6–4

Ashley Cooper / Neale Fraser defeated Roy Emerson / Robert Mark 7–5, 6–8, 3–6, 6–3, 7–5

Mary Bevis Hawton / Thelma Coyne Long defeated Lorraine Coghlan / Angela Mortimer 7–5, 6–8, 6–2

Mary Bevis Hawton / Bob Howe defeated Angela Mortimer / Peter Newman 9–11, 6–1, 6–2