| Country: | Spain |
| Weight Class: | 48 kg |
| Worlds Rank: | 2 |
| Worlds Year: | 2009 |
| Regionals Type: | EU |
| Regionals Rank: | 3 |
| Regionals Year: | 2010 |
| Regionals Weight: | Women's 48 kg |
| Olympics Rank: | R32 |
| Olympics Year: | 2012 |
| Olympics Weight: | Women's 48 kg |
| Updated: | 28 August 2023 |
Oiana Blanco is a Spanish judoka who competes in the women's 48 kg category. At the 2012 Summer Olympics, she was defeated in the first round.