| Kentucky Derby Open | |
| Location: | Louisville, Kentucky |
| Establishment: | 1957 |
| Course: | Seneca Golf Course |
| Par: | 71 |
| Yardage: | [1] |
| Tour: | PGA Tour |
| Format: | Stroke play |
| Month Played: | May |
| Aggregate: | 274 Gary Player (1958) 274 Don Whitt (1959) |
| To-Par: | −14 Gary Player (1958) |
| Final Year: | 1959 |
| Final Champion: |  Don Whitt |
| Map: | USA#USA Kentucky |
| Map Relief: | yes |
| Map Label: | Seneca GC |
| Coordinates: | 38.23°N -85.673°W |
The Kentucky Derby Open was a PGA Tour event in Kentucky that was played at Seneca Golf Course in Louisville in the won his first PGA Tour event at this tournament in Seneca is a municipal course, located just northwest of
| Year | Winner | Score | To par | Margin of victory | Runner(s)-up | Purse (US$) | Winner's share ($) | Ref. | |
|---|---|---|---|---|---|---|---|---|---|
| 274 | −10 | 1 stroke | 20,000 | 2,800 | [2] | ||||
| 274 | −14 | 3 strokes | 20,000 | 2,800 | |||||
| 1957 | 277 | −7 | 1 stroke | 30,000 | 4,300 | [3] [4] |