Grettell Valdez (Spanish pronunciation: [ˈɡɾetel βalˈdes]; born July 7, 1976) is a Mexican actress and former model.

In 1999 she made a special appearance on Por tu amor as a younger version of Isaura Espinoza as Alejandra Avellán.

She made a comeback to telenovelas in Lola, érase una vez alongside Aarón Díaz and Eiza González.

In July 2013, she was confirmed to star as the antagonist in Angelli Nesma's Lo que la vida me robó alongside Angelique Boyer, Sebastián Rulli, Luis Roberto Guzmán and Daniela Castro.

[3] In April 2015, she was confirmed to star as the main antagonist in Salvador Mejia's Lo imperdonable as Virginia Prado-Castello alongside Ana Brenda Contreras, Iván Sánchez and Sergio Sendel.