In all the world, Яхан (Jahan 
, Яхан 
) is a common epicene forename. The forename Яхан is characteristic of Turkmenistan, where it is quite a rare feminine name, Pakistan, where it is quite a rare unisex name, and Oman, where it is quite a rare largely masculine, but infrequently feminine name. Measured by absolute frequency, the name is most common in Southern Asia, particularly India, Pakistan, and Bangladesh. More frequently, Яхан is the last name as well as the forename.