Surname งับ (Ngap 
, งับ ) , globally, is a rare cognomen. The cognomen งับ is habitual in Malaysia, where it is a rare surname, Philippines, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in India, Malaysia, and Philippines. Very seldom, งับ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngap | Philippines, Thailand, India, Nigeria, Malaysia |
| งับ | Thailand |