Surname Жанатхан (Janathan 
, Жанатхан 
) , across the world, is a rare last name. The last name Жанатхан is characteristic of Kyrgyzstan, where it is a rare surname, Nicaragua, and Nigeria. Measured by absolute frequency, it is commonest in Nigeria, Indonesia, and Mexico. More prevalently, Жанатхан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janathan | Indonesia, Sri Lanka, Nigeria, India, Democratic Republic of the Congo |
| Жанатхан | Kyrgyzstan, Kazakhstan, Russia |