Rajo or Radjou (Kurdish: Rajo, Reco [c=j]; Arabic: بلدة راجو ، مركز ناحية راجو) is a town in Afrin District, Aleppo Governorate, northwestern Syria. Rajo is the centre of a sub-district (nahiyah) of the same name with approximately 65 villages and farms around it. The town has around 4,000 inhabitants while the total population of the sub-district is 21,955 (2004 official census).
Rajo is an old settlement that lies on the Baylan plateau to the west of Kurd Mountain. The name Rajo originated from an old Kurdish family of the same name of the trunk Schaykh(k)an. Over Rajo also the “Berlin Baghdad course” runs since 1912.