Family name Цапь (Cap 
, Цапь 
) , in the world, is a common surname. The cognomen Цапь is habitual in Czechia, where it is quite a common surname, Guatemala, and Uruguay, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Guatemala, Czechia, and France. More prevalently, Цапь is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cap | Czechia, Guatemala, Egypt, Poland, France |
| Цапь | Russia |