| Birth Date: | 17 November 1978 |
| Birth Place: | Madrid, Spain |
| Country: | Spain |
| Weight Class: | –48 kg |
| Worlds Rank: | 5 |
| Worlds Year: | 1999 |
| Worlds Weight: | Women's 48 kg |
| Regionals Type: | EU |
| Regionals Rank: | 3 |
| Regionals Year: | 2007 |
| Regionals Weight: | Women's 48 kg |
| Olympics Rank: | 9 |
| Olympics Year: | 2000 |
| Olympics Weight: | Women's 48 kg |
| Updated: | 16 November 2022 |
Vanesa Arenas (born 17 November 1978) is a Spanish judoka. She competed in the women's extra-lightweight event at the 2000 Summer Olympics.[1]