Family name سيفر (Cypher 
, سيفر 
, Siffre 
) , all over the world, is quite a rare last name. The last name سيفر is characteristic of Ghana, where it is quite a rare surname, Myanmar, and France, where it is a rare surname. In absolute terms, it is commonest in the United States, Ghana, and Myanmar. Very seldom, سيفر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cypher | Myanmar, France, United States, Ghana, Germany |
| سيفر | Iraq, Morocco |
| Siffre | France, United Kingdom, Nigeria, United States, Germany |
| Seever | Canada, Germany, United States |