Family name Etsan (Etsan 
) , throughout the world, is quite a rare cognomen. The cognomen Etsan is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, Peru, where it is a very rare surname, and India, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Etsan | Philippines, Brazil, India, Democratic Republic of the Congo, Peru |