1980 Avon Championships
| 1980 Avon Championships | |
|---|---|
| Date | March 17—23 |
| Edition | 9th |
| Category | Avon Championships |
| Draw | 32S/4D |
| Location | New York City, United States |
| Venue | Madison Square Garden |
| Champions | |
| Singles | |
 Tracy Austin
|
|
| Doubles | |
Billie Jean King /  Martina Navratilova
|
|
The 1980 Avon Championships were the ninth WTA Tour Championships, the annual tennis tournament for the best female tennis players in singles on the 1980 WTA Tour. It was held in the week of 17 March 1980, in Madison Square Garden in New York City, United States.
Tracy Austin defeated Martina Navratilova, 6–2, 2–6, 6–2
Billie Jean King / Martina Navratilova defeated Rosemary Casals / 
Wendy Turnbull, 6–3, 4–6, 6–3.
...
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