1980 WCT Tournament of Champions
| 1980 WCT Tournament of Champions | |
|---|---|
| Date | May 5–11 |
| Edition | 4th |
| Category | Grand Prix (WCT) |
| Draw | 64S / 32D |
| Prize money | $300,000 |
| Surface | Clay / outdoor |
| Location | Forest Hills, Queens, New York |
| Venue | West Side Tennis Club |
| Champions | |
| Singles | |
 Vitas Gerulaitis [1] | |
| Doubles | |
| Peter Fleming / John McEnroe [2] | |
The 1980 WCT Tournament of Champions was a men's tennis tournament played on outdoor clay courts at the West Side Tennis Club in Forest Hills, Queens, New York City in the United States and part of the 1980 Grand Prix circuit. It was the fourth edition of the tournament and was held from May 5 through May 11, 1980. Vitas Gerulaitis won the singles title.
Finals
Singles
Vitas Gerulaitis defeated John McEnroe 2–6, 6–2, 6–0
- It was Gerulaitis' first singles title of the year and the 16th of his career.
Doubles
Peter Fleming / John McEnroe defeated 
Peter McNamara/ Paul McNamee 6–2, 5–7, 6–2