Los 40 Mexicali is a Mexican radio station that is part of the Los 40 network, operated in Mexico by Televisa Radio.

This radio chain began in Spain, where it was known as Los 40 Principales, as its focus was on creating charts with the most popular and requested songs by the local audience.

Over time, the incorporation of diverse music programs and entertainment spaces led to the modification of its name to Los 40 in 2016.

Los 40 Mexicali has its own hosts and programming, maintaining a focus on a young audience. It broadcasts from and for Mexicali, Baja California, at the frequency 90.7 FM, and also offers the possibility to listen to its live transmission worldwide through its website.