1983 Custom Credit Australian Indoor Championships
| 1983 Custom Credit Australian Indoor Championships | |
|---|---|
| Date | 10 October – |
| Edition | 11th |
| Champions | |
| Singles | |
 John McEnroe | |
| Doubles | |
 Mark Edmondson / Sherwood Stewart | |
The 1983 Custom Credit Australian Indoor Championships was a tennis tournament played on indoor hard courts at the Sydney Entertainment Centre in Sydney in Australia and was part of the 1983 Volvo Grand Prix. The tournament began on 10 October 1983.
Champions
Men's Singles
John McEnroe defeated 
Henri Leconte 6–1, 6–4, 7–5
- It was McEnroe's 9th title of the year and the 91st of his career.
Men's Doubles
Mark Edmondson / Sherwood Stewart defeated John McEnroe / Peter Rennert 6–2, 6–4
- It was Edmondson's 3rd title of the year and the 31st of his career. It was Stewart's 4th title of the year and the 46th of his career.
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