Cognomen Баен (Bayen 
, Баен 
, Baen 
) , all around the world, is a common family name. The last name Баен is characteristic of India, where it is quite a rare surname, Tunisia, and Malaysia, where it is a rare surname. Measured by absolute frequency, the name is most common in India, Bangladesh, and Indonesia. Much less frequently, Баен is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bayen | Ethiopia, France, Indonesia, India, Bangladesh |
| Баен | Kyrgyzstan, Russia, Kazakhstan, United States, Uzbekistan |
| Baen | Philippines, Malaysia, Indonesia, United States, India |