Fiestas de Octubre is a major annual fair and cultural celebration in Guadalajara, Jalisco. It includes concerts, exhibitions, food, rides, and public entertainment, and is one of the best-known annual events in the city.

For citizenship learners, the most important association is Guadalajara and October. It is more of a regional civic and cultural fair than a national holiday, but it is nationally recognizable because of Guadalajara’s importance and the size of the event.