Hato Nuevo is a barrio in the municipality of Guaynabo, Puerto Rico. Its population in 2010 was 4,114.
Hurricane Maria, the deadly Category 5 hurricane that struck Puerto Rico on September 20, 2017, caused flooding and damaged infrastructure in Hato Nuevo. A bridge to replace a collapsed bridge in Hato Nuevo was completed and inaugurated on February 14, 2019, nearly a year and a half later.
Barrios (which are, in contemporary times, roughly comparable to minor civil divisions) in turn are further subdivided into smaller local populated place areas/units called sectores (sectors in English). The types of sectores may vary, from normally sector to urbanización to reparto to barriada to residencial, among others.
The following sectors are in Hato Nuevo barrio:
, and .