Surname Ngap (Ngap 
, งับ ) , globally, is a rare last name. The surname Ngap 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. In absolute terms, this name is the most popular in India, Malaysia, and Philippines. Very seldom, Ngap is the forename as well as the last name.