This was the tenth edition of Los Premios 40 Principales, the annual awards organized by Spanish music radio Los 40 Principales. It was held on December 11, 2015 in Madrid's Barclaycard Center. The nominees were announced on October 8, 2015.
This is the last edition before the awards were rebranded as Los 40 Music Awards, due to the station shortening its name to just Los 40.
The following is the full list of winners and nominees.