Cognomen Wells-Jansz (Wells-Jansz 
) , in all the world, is a very rare family name. The cognomen Wells-Jansz is characteristic of Australia, where it is a very rare surname, and the United Kingdom. Parts of the name also exists independently as a last name Wells, and a last name Jansz.
| VARIANT | COUNTRY |
|---|---|
| Wells-Jansz | United Kingdom, Australia |