Muérdete La Lengua (Bite Your Tongue) is the debut album by American-born Chilean singer, songwriter and composer Francisca Valenzuela.

The album was released on June 30, 2007 in Chile for Feria Music Records.

Though "Peces" did not chart, it gained Valenzuela radio play and popularity in Chile.

Rolling Stone Chile included the album as number 16 in its "50 Best CDs of 2007" in an international list.

In January 2013, it earned platinum certification in Chile for sales of 10,000 copies or more.