| Almaden Open Invitational | |
| Location: | San Jose, California |
| Establishment: | 1958 |
| Course: | Almaden Country Club |
| Par: | 72 |
| Tour: | PGA Tour |
| Format: | Stroke play |
| Month Played: | October |
| Final Year: | 1965 |
| Aggregate: | 273 Al Geiberger (1962) 273 Bobby Verwey (1965) |
| To-Par: | −15 as above |
| Final Champion: |  Bobby Verwey |
| Map: | USA#USA California |
| Map Relief: | yes |
| Map Label: | Almaden CC |
| Coordinates: | 37.214°N -121.867°W |
The Almaden Open was a golf tournament that began at the Almaden Country Club in San Jose, California in 1958, mostly with local pros. It became a PGA Tour event, the Almaden Open Invitational, in 1961 and was played until 1965. After the 1965 event, the course underwent a major overhaul for several years. In 1968, a decision was made by the new owners not to continue the tournament.[1]
| Year | Tour | Winner | Score | To par | Margin of victory | Runner(s)-up | |
|---|---|---|---|---|---|---|---|
| Almaden Open Invitational | |||||||
| 1965 | 273 | −15 | 2 strokes |  Billy Martindale | |||
| 1964 | 279 | −9 | Playoff | Pete Brown Jerry Steelsmith | |||
| 1963 | Al Geiberger (2) | 277 | −11 | 1 stroke | Dutch Harrison Dick Lotz | ||
| 1962 | 273 | −15 | 5 strokes | Charlie Sifford | |||
| 1961 | 279 | −9 | 1 stroke | Bob Rosburg | |||
| Almaden Open | |||||||
| 1960 | 281 | −7 | Playoff | Bill Eggers | |||
| 1959 | 281 | −7 | 6 strokes | Bob Rosburg George Bruno Jimmy Clark Ken Still | |||
| 1958 | 212 | −4 | Playoff | Bob Rosburg | |||