| Tournament information | |
|---|---|
| Dates | August 18–21, 2005 |
| Location | Akron, Ohio, U.S. |
| Course(s) | Firestone Country Club |
| Tour(s) | PGA Tour European Tour |
| Statistics | |
| Par | 70 |
| Length | 7,360 |
| Field | 72 players |
| Cut | None |
| Prize fund | $7,500,000 |
| Winner's share | $1,300,000 |
| Champion | |
 Tiger Woods | |
| 274 (−6) | |
The 2005 WGC-NEC Invitational was a golf tournament that was contested from August 18–21, 2005 over the South Course at Firestone Country Club in Akron, Ohio. It was the seventh WGC-Bridgestone Invitational tournament, and the second of four World Golf Championships events held in 2005.
World number 1 Tiger Woods won the tournament to claim his ninth World Golf Championships title, which was his fourth Invitational title. He won by one shot over Chris DiMarco, at 6-under-par 274.