Family name Нэнси (Nancy 
, Nanci 
, Nensi 
) , around the globe, is a widespread cognomen. The last name Нэнси is characteristic of Latin America and the Caribbean, particularly Mexico, where it is a common surname, Honduras, and Venezuela, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Mexico, Venezuela, and Nigeria. More frequently, Нэнси is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nancy | Philippines, Argentina, Kenya, Mexico, United States |
| Nanci | Philippines, Argentina, Mexico, United States, Venezuela |
| Nensi | Philippines, Mexico, Peru, United States, Venezuela |
| Нэнси | Russia, Kazakhstan |