| OKI Open de España Senior | |
| Location: | Murcia, Spain |
| Establishment: | 2011 |
| Course: | El Valle Golf Resort |
| Par: | 71 |
| Yardage: | 6901yd |
| Tour: | European Senior Tour |
| Format: | Stroke play |
| Month Played: | March |
| Aggregate: | 199 Carl Mason (2007) |
| To-Par: | −17 as above |
| Final Year: | 2011 |
| Final Champion: | Carl Mason |
| Coordinates: | 37.88°N -1.086°W |
| Map: | Spain#Spain Murcia |
| Map Label: | El Valle Golf Resort |
| Map Relief: | yes |
| Map Label Position: | left |
| Map Size: | 200px |
The OKI Open de España Senior was a men's senior (over 50) professional golf tournament on the European Senior Tour. It was held just once, in May 2011, at the El Valle Golf Resort, south of Murcia, Spain. The winner was Carl Mason who won the first prize of €30,000 out of total prize-money of €200,000.
| Year | Winner | Score | To par | Margin of victory | Runner(s)-up | |
|---|---|---|---|---|---|---|
| OKI Open de España Senior | ||||||
| Carl Mason (2) | 200 | −13 | 4 strokes | George Ryall | ||
| 2006–2008: No tournament | ||||||
| OKI Castellón Open de España Senior | ||||||
| 199 | −17 | 4 strokes |  Luis Carbonetti | |||
| 203 | −13 | 2 strokes | Carl Mason Sam Torrance | |||
| Castellon Costa Azahar Open de España | ||||||
| 205 | −11 | 1 stroke | Jim Rhodes José Rivero | |||
| 1995–2004: No tournament | ||||||
| La Manga Spanish Seniors Open | ||||||
| 215 | −1 | Playoff | Malcolm Gregson David Snell | |||