Cognomen Yansem (Yansem 
) , around the globe, is an extremely rare surname. The family name Yansem is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Also, Yansem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yansem | Mexico, Nicaragua |