Diego Menchaca González-Quintanilla (born 20 October 1994 in Mexico City) is a Mexican racing driver.

Menchaca began karting in 2006 at the age of eight, competing in championships across Mexico and the United States.

He claimed a victory in the third race at Donington Park and finished seventh in the overall standings.

He remained with Campos for the following season, finishing fourth and fifth in the respective championship standings.

In December 2016, Menchaca partook in the post-season collective Test with Teo Martín Motorsport.