Adi Keyh (Tigrinya: ዓዲ ቐይሕ "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. They speak Tigrinya and saho. The ruins of Qohaito and Toconda lie near the town. Eritrea's College of Science and Arts, which cost $17 million to construct, is located in Adi Keih.

Alternative spellings of its name include: Adi Caie, Addi Caieh, Adi Ciah, Adi Keih, Adi Qeyh, Adi Keyih and Adi Kaie.

• Yirgalem Fisseha Mebrahtu, poet

• List of highest towns by country

• Subregions of Eritrea

14°50′N 39°22′E / 14.833°N 39.367°E / 14.833; 39.367