Machuelo Abajo is one of the 31 barrios of the municipality of Ponce, Puerto Rico. Along with Canas Urbano, Magueyes Urbano, Portugués Urbano, and San Antón, Machuelo Abajo is one of the municipality's five originally rural barrios that are now also part of the urban zone of the city of Ponce. It was founded in 1818.