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Barrio of Monacillo Urbano
Location of Monacillo Urbano shown in yellow.
Country	United States
Territory	Puerto Rico
Municipality	San Juan
Area
- Total	3.35 sq mi (8.68 km2)
- Land	3.35 sq mi (8.68 km2)
- Water	0.00 sq mi (0.00 km2)
Population (2000)
- Total	29,309
- Density	8,744.3/sq mi (3,376.19/km2)
	2000 census

Monacillo Urbano is a barrio in San Juan, Puerto Rico that was originally part of Monacillo Barrio. In 2000 it had a population of 29,309 living in a land area of 3.35 square miles (8.68 km²). Monacillo Urbano is surrounded by Gobernador Piñero Barrio to the North, El Cinco Barrio to the East, Monacillo Barrio to the South, and the municipality of Guaynabo to the West.