El cucuy may refer to: "El Cucuy", an episode of the US television series, Grimm. An alternate spelling of el coco, a mythical creature. Renán Almendárez Coello, host of El Cucuy de la mañana, also known by this name. Tony Ferguson, a UFC fighter who uses it as his nickname.
See also El Cocuy, a town in Colombia El Cocuy National Park