The 2015 Rally Guanajuato México was a motor racing event for rally cars that was held over four days between 5 and 8 March 2015. It marked the twenty-ninth running of the Rally Mexico, and was the third round of the 2015 World Rally Championship and WRC-2 seasons.

Rally Mexico, formerly known as Rally America is a round of the FIA World Rally Championship. The rally entered the championship schedule in the 2004 season. The event's itinerary is based in the state of Guanajuato. The stages take place in the environs of cities of León, Silao, and Guanajuato; rally headquarters being located in León.