Aliabad-e Katul (Persian: علی آباد كتول, also Romanized as ‘Alīābād-e Katūl, Aliabad-e Katool, and Aliâbâd Katool; also known simply as Aliabad (Persian: علی آباد, also Romanized as ‘Alīābād) is a city in and capital of Aliabad County, in Golestan Province, Iran. At the 2006 census its population was 46,183, in 11,676 families.
The city is sited on a hillside of the Alborz Mountains between Gorgan and Azad Shahr. The Kaboud-val waterfall is near the city. Nearby are the villages of Kholin Darreh, Chinou, Alestan, and Mayan.