Surname Лопер (Loper 
, Lauper 
, Lopert 
) , all around the world, is a common family name. The cognomen Лопер is habitual in Switzerland, where it is quite a common surname, Slovenia, where it is quite a rare surname, and the United States. In absolute terms, this name is the most popular in the United States, Switzerland, and France. Much less frequently, Лопер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Loper | Brazil, Switzerland, United States, France, Indonesia |
| Lauper | Brazil, Canada, Switzerland, United States, France |
| Lopert | Canada, Philippines, United States, Germany, France |
| Лопер | Russia |