Inachos (Greek: Ίναχος) is a former municipality in Aetolia-Acarnania, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Amfilochia, of which it is a municipal unit. It is located in the northernmost part of Aetolia-Acarnania. Its land area is 585.382 km. Its population was 3,967 at the 2021 census. Its municipal seat was the town of Neo Chalkiopoulo.

Subdivisions

The municipal unit Inachos is subdivided into the following communities (constituent villages in brackets):

• Chalkiopoulo (Neo Chalkiopoulo, Agioi Theodoroi, Agios Vlasios, Agios Minas, Agrapidokampos, Xomeri, Prosilia, Chalkiopouloi)
• Agridi (Neo Agridi, Dromitsa, Kaminos)
• Alevrada (Alevrada, Kremasta Sykias, Pistiana)
• Amorgianoi (Amorgianoi, Malateika, Prantiko, Chamoriki)
• Vrouviana (Vrouviana, Avlaki)
• Giannopouloi (Paliampela, Giannopouloi)
• Empesos (Empesos, Grammatsouli, Skatzokampos, Sykea, Ftelia)
• Malesiada (Nea Malesiada, Ano Kampos, Maraneli)
• Bampali
• Patiopoulo (Patiopoulo, Thyamos, Petsalia, Fragkou)
• Perdikaki (Perdikaki, Pigadia)
• Petrona (Petrona, Varko Kyprio, Ypapanti)
• Podogora
• Stathas (Stathas, Pavliada, Potamia)
• Triklino (Triklino, Ampeli)