1978 Custom Credit Australian Indoor Championships
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The 1978 Custom Credit Australian Indoor Championships was a tennis tournament played on indoor hard courts at the Hordern Pavilion in Sydney in Australia and was part of the 1978 Colgate-Palmolive Grand Prix. The tournament began on 22 October 1978.
Champions
Men's Singles
Jimmy Connors defeated Geoff Masters 6–0, 6–0, 6–4
- It was Connors' 10th title of the year and the 84th of his career.
Men's Doubles
John Newcombe / Tony Roche defeated Mark Edmondson / John Marks 6–4, 6–3
- It was Newcombe's only title of the year and the 65th of his career. It was Roche's 2nd title of the year and the 27th of his career.