¿Quién es la máscara? (Spanish for Who is the Mask?) is a Mexican talent reality television series produced by Televisa and Endemol Shine Group. It is based on the South Korean television show King of Mask Singer created by Seo Chang-man.

Different celebrities live in the same house watched by cameras 24 hours a day. They will have to overcome tests, strategize and eliminate each other so that only one can be the winner of the most famous house in Mexico.