Cognomen Seniura (Seniura 
) , worldwide, is a very rare family name. The cognomen Seniura is characteristic of France, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. More prevalently, Seniura is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seniura | United States, Poland, Canada, France, Brazil |