El Grullo is a town and municipality, in Jalisco in central-western Mexico.

It is named for a color, used for horses and grass, called grullo, used as the name of an Hacienda established there: "La Hacienda del Zacate Grullo".

[1] In recent years, the town of El Grullo has begun expanding and now has begun to construct suburban-style housing developments on the outer limits of the town.

As of 2014[update], there are about 30,000 residents living in the developing city limits.

This article about a location in the Mexican state of Jalisco is a stub.