La madrastra (English: The Stepmother) is a Mexican telenovela. It was produced by Televisa and broadcast on Canal de las Estrellas in Mexico from Monday, February 7, 2005, through Friday, July 29, 2005. The program became an unexpected success, garnering ratings in excess of 30 points.

Starring Victoria Ruffo and César Évora, who last appeared together in 2000's Abrázame muy fuerte, along with Eduardo Capetillo, Jacqueline Andere, Ana Martín, Cecilia Gabriela, Martha Julia, Guillermo García Cantú, René Casados and Sabine Moussier, La madrastra tells the story of María, a woman who lost twenty years of her life after being falsely accused of murder and who returns to Mexico to extract revenge on her husband and friends who abandoned her and to see her beloved children once more.

La madrastra is fourth in a series of remakes of the 1981 Chilean production of the same name. The program aired five nights a week, Monday through Friday, at 9 pm for 25 weeks. A follow-up special, La madrastra: años después, aired shortly after the finale on Saturday, July 30, 2005.

From June 15 to August 21, 2015 Canal de las Estrellas broadcast reruns 12:00 replacing Rubí with Hasta que el dinero nos separe replacing it on August 24.