Vallecillo, meaning little valley in Spanish, can refer to:
People: Érick Vallecillo (born 1980), Honduran footballer Orlin Vallecillo (born 1983), Honduran footballer
Places: Vallecillo, Honduras, town in Honduras Vallecillo Municipality, Nuevo León, town in Nuevo León, Mexico Vallecillo, León, town in the province of León, Castile y León, Spain El Vallecillo, town in the province of Teruel, Aragón, Spain