Cynthia Deyanira Rodríguez Ruiz (Spanish pronunciation: [ˈsintja roˈðɾiɣes]; born May 8, 1984, in Monclova, Coahuila, Mexico) is a Mexican singer and reality television personality.

She was a contestant on the reality TV show La Academia, coming in fourth place.

She was selected to sing the theme song for a television series on TV Azteca, called Looking for a Man.

Cynthia later played an important antagonist role in a Mexican "telenovela" called Bellezas Indomables.

In the present, Cynthia is playing the role of the protagonist's best friend in the "telenovela" Mujer Comprada, which airs daily on TV Azteca.