Mucho Locos is a 1966 Warner Bros. Merrie Melodies cartoon directed by Robert McKimson. The short was released on February 5, 1966, and stars Daffy Duck and Speedy Gonzales.

In the short, Speedy highlights some of his and Daffy's previous exploits. It was the only cartoon in the series where Daffy gets the upper hand at the end. It was also the final appearance of Porky Pig in the Golden Age of American Animation. Porky appears in the Robin Hood Daffy segment. It is the only cartoon to have Porky Pig and Speedy Gonzales in the same film, although the two never interact.