In the world, Eah (Eah 
, Ecah 
) is a rare unisex first name. The forename Eah is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare primarily feminine, but very seldom masculine name, Indonesia, where it is a very rare girly name, and Philippines. Measured by absolute frequency, the name is most common in Indonesia, Malaysia, and China. Also, Eah is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Eah | Myanmar, Egypt, Indonesia, Malaysia, China |
| Ecah | Philippines, Singapore, India, Indonesia, Malaysia |