| Tournament information | |
|---|---|
| Location | Everett, Washington |
| Established | 1936 |
| Course(s) | Everett Golf & Country Club |
| Par | 71 |
| Tour(s) | PGA Tour |
| Format | Stroke play |
| Prize fund | US$50,000 |
| Month played | September |
| Final year | 1966 |
| Final champion | |
 Homero Blancas | |
| Location map | |
  Everett G&CC Location in the United States  Everett G&CC Location in Washington | |
The Seattle Open Invitational was a professional golf tournament on the PGA Tour in the northwest United States, in the greater Seattle area. It was played eight times over three decades under five names at three locations.