1980 Custom Credit Australian Indoor Championships
| 1980 Custom Credit Australian Indoor Championships | |
|---|---|
| Date | 13–19 October |
| Edition | 8th |
| Draw | 32S / 16D |
| Prize money | $175,000 |
| Surface | Hard / indoor |
| Location | Sydney, Australia |
| Venue | Hordern Pavilion |
| Champions | |
| Singles | |
 John McEnroe |
|
| Doubles | |
|
Peter Fleming / John McEnroe |
|
The 1980 Custom Credit Australian Indoor Championships was a tennis tournament played on indoor hard courts at the Hordern Pavilion in Sydney, Australia and was part of the 1980 Volvo Grand Prix. It was the 8th edition of the tournament and was held from 13 October through 19 October 1980. First-seeded John McEnroe won the singles title and earned $46,250 first-prize money.
John McEnroe defeated Vitas Gerulaitis 6–3, 6–4
Peter Fleming / John McEnroe defeated Tim Gullikson / 
Johan Kriek 4–6, 6–1, 6–2
...
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