| 2010 Estoril Open | |
|---|---|
| Date | 3–9 May |
| Edition | 21st (ATP) / 14th (WTA) |
| Surface | Clay / outdoor |
| Location | Oeiras, Portugal |
| Venue | Estádio Nacional |
| Champions | |
| Men's singles | |
 Albert Montañés | |
| Women's singles | |
 Anastasija Sevastova | |
| Men's doubles | |
| Marc López / David Marrero | |
| Women's doubles | |
 Sorana Cîrstea / Anabel Medina Garrigues | |
The 2010 Estoril Open was a tennis tournament played on outdoor clay courts. It was the 21st edition of the Estoril Open for the men (the 14th for the women), and was part of the ATP World Tour 250 series of the 2010 ATP World Tour, and of the International-level tournaments of the 2010 WTA Tour. Both the men's and the women's events took place at the Estádio Nacional in Oeiras, Portugal, from 3 May until 9 May 2010. Albert Montañés and Anastasija Sevastova won the singles title.