| Estoril Challenge de Portugal | |
| Location: | Cascais, Portugal |
| Establishment: | 1997 |
| Course: | Quinta da Marinha |
| Par: | 71 |
| Yardage: | 6418yd |
| Tour: | Challenge Tour |
| Format: | Stroke play |
| Month Played: | June/July |
| Final Year: | 2007 |
| Aggregate: | 272 Ross McGowan (2007) |
| Final Champion: | Ross McGowan |
| Map: | Portugal |
| Map Label: | Quinta da Marinha |
| Map Relief: | yes |
| Map Size: | 200 |
| Coordinates: | 38.703°N -9.467°W |
The Estoril Challenge de Portugal was a golf tournament on the Challenge Tour that was held near Estoril, on the Portuguese Riviera. It was first played in 1997. Then it took a 6-year hiatus until it was played again in 2004. It was not played in 2005 and then it returned in 2006 and 2007.
| Year | Winner | Score | To par | Margin of victory | Runner(s)-up | Venue | |
|---|---|---|---|---|---|---|---|
| Estoril Challenge de Portugal | |||||||
| 272 | −12 | 3 strokes | Quinta da Marinha | ||||
| Estoril Challenge | |||||||
| 284 | −4 | Playoff | Penha Longa | ||||
| 2005: No tournament | |||||||
| Estoril Challenge Open Portugal Telecom | |||||||
| 274 | −10 | 4 strokes | Oitavos | ||||
| Estoril Challenge | |||||||
| 1998–2003: No tournament | |||||||
| 276 | −12 | 1 stroke | Penha Longa | ||||