Adi Keyh (also Addi Qeyh, Addi Keyh, etc.; Ge'ez: ዓዲ ቀይሕ ʿāddī ḳeyḥ, also ዓዲ ቐይሕ ʿāddī ẋeyḥ, "Red Village") is a market town in Eritrea, lying approximatively 110 kilometers southeast of Asmara. It lies almost 2,500 metres above sea level and has a population of around 40,000 people. The ruins of Qohaito and Toconda lie near the town.
Alternative spellings of its name include: Adi Caie, Addi Caieh, Adi Ciah, Adi Keih, Adi Keyih and Adi Kaie.