Misterio (Mystery) is a 1980 Mexican thriller film, directed and written by Marcela Fernández Violante.

The film stars Juan Ferrara, as a TV star who blurs reality with the plot of the soap opera he is shooting.

Helena Rojo plays Sandra, his co-star, while Víctor Junco is the TV director and Beatríz Sheridan is the screenwriter.

The film received eight Ariel Awards in 1980, including Best Actor (Ferrara), Best Actress (Rojo), Best Supporting Actor (Junco), and Best Supporting Actress (Sheridan).

[1] The Ariel Awards are awarded annually by the Mexican Academy of Film Arts and Sciences in Mexico.