Surname Cayap (Cayap 
) , around the world, is a rare cognomen. The last name Cayap is habitual in Philippines, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Peru. Not in comparison with a country's population, it is the most numerous in Philippines, India, and Venezuela. Very seldom, Cayap is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cayap | India, Venezuela, Peru, Philippines |