Eugenio Esteban Mena Reveco (Spanish pronunciation: [ewˈxenjo ˈmena]; born 18 July 1988) is a Chilean professional footballer who plays as a left-back for Chilean Primera División side Club Deportivo Universidad Católica and the Chile national team.

Mena finished his formation in Santiago Wanderers' academy, and made his senior debuts in 2008 Chilean Primera División B.

At the end of the season, he was a part of the squad which won Copa Sudamericana and Chilean Primera División.

On 3 July 2013, Mena signed a one-year loan deal with Brazilian Série A outfit Santos FC, with a buyout clause.

[6] On 14 January 2015, Mena rescinded his contract Santos, after winning a court case due to unpaid wages.