Surname ザップ (Giap 
, Giáp , ザップ) , across the world, is a common family name. The family name ザップ is habitual in Malaysia, where it is quite a common surname, Macao, where it is quite a rare surname, and Vietnam. Not in comparison with a country's population, it is the most numerous in South-eastern Asia, particularly Malaysia, Vietnam, and Indonesia. Very seldom, ザップ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giap | Vietnam, United States, Malaysia, Democratic Republic of the Congo, Indonesia |
| Giáp | Vietnam, United States |