| Location: | Taipei |
| Start Date: | M: 18–26 July W: 12 |
| End Date: | 16 July |
| Teams: | M: 9 W: 4 |
| Champions: | |
| Runners-Up1: | |
| Runners-Up2: | |
| Previous: | 2008 |
| Next: | 2010 |
The 2009 William Jones Cup was the 31st tournament of the William Jones Cup that took place in Taipei from 12 July–26 July.
| width=180 | Team | width=30 | Pld | width=30 | W | width=30 | L | width=30 | PF | width=30 | PA | width=30 | PD | width=30 | Pts | width=80 | Tiebreaker | width=80 | Tiebreaker |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 6 | 2 | 580 | 491 | +89 | 14 | 2–1 | 1–0 | |||||||||||
| 8 | 7 | 1 | 622 | 477 | +145 | 14 | 2–1 | 0–1 | |||||||||||
| 8 | 6 | 2 | 676 | 609 | +67 | 14 | 1–2 | 1–0 | |||||||||||
| 8 | 6 | 2 | 638 | 655 | –17 | 14 | 1–2 | 0–1 | |||||||||||
| 8 | 5 | 3 | 639 | 657 | –18 | 13 | |||||||||||||
| 8 | 2 | 6 | 623 | 683 | −60 | 10 | 1–0 | ||||||||||||
| 8 | 2 | 6 | 645 | 699 | −54 | 10 | 0–1 | ||||||||||||
| 8 | 1 | 7 | 568 | 649 | −81 | 9 | 1–0 | ||||||||||||
| 8 | 1 | 7 | 612 | 683 | −71 | 9 | 0–1 |
| width=180 | Team | width=30 | Pld | width=30 | W | width=30 | L | width=30 | PF | width=30 | PA | width=30 | PD | width=30 | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 3 | 0 | 253 | 179 | +74 | 6 | |||||||||
| 3 | 2 | 1 | 222 | 182 | +40 | 5 | |||||||||
| 3 | 1 | 2 | 213 | 179 | +34 | 4 | |||||||||
| 3 | 0 | 3 | 148 | 296 | –148 | 3 |