Haedo is a city (localidad) located in Morón Partido, Buenos Aires Province, Argentina. It forms part of the urban conurbation of Greater Buenos Aires.
With a surface of 6.11 km², it had 38,068 inhabitants as of 2001, down 13% from the 1991 census. Nonetheless, it is the fourth most populated unit (localidad) in Morón Partido, with a 12% of the total.
The railway station was opened on 1 August 1886, and it was originally serviced by the Buenos Aires Western Railway.