| Native Name: | ዓዲ ቐይሕ |
| Official Name: | Adi Keih |
| Settlement Type: | Town |
| Pushpin Map: | Eritrea |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Eritrea |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name: |  Eritrea |
| Subdivision Name1: | Debub |
| Subdivision Type2: | District |
| Subdivision Name2: | Adi Keyh District |
| Population Total: | 25,000 |
| Coordinates: | 14.8333°N 61°W |
| Blank Name: | Climate |
| Blank Info: | BSk |
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.