Haedo may refer to:
- Haedo, Buenos Aires, city located in Morón Partido, Buenos Aires Province, Argentina
- Eduardo Victor Haedo, President of Uruguay
- Jorge Haedo Arocha, Cuban Medical Researcher and Physician
- Juan José Haedo (born 1981), Argentine professional road racing cyclist and former track cyclist
- Nelson Haedo Valdez (born 1983), Paraguayan footballer
- UTN - Facultad Regional Haedo, faculty of the Universidad Tecnológica Nacional of Argentina
- José María Paz - General Brigadier José María Paz y Haedo