Around the world, Jaena (เจน 
, Jaena 
) is quite a rare epicene forename. The first name Jaena is characteristic of Thailand, where it is quite a rare unisex name, Philippines, where it is a rare feminine name, and South Korea. Measured by absolute frequency, the name is most common in Thailand, Philippines, and India. Very seldom, Jaena is the last name as well as the forename.