However, it's important to note that:
* Origin: The Yap surname can have different origins within China, possibly from various provinces and regions.
* Variations: There are variations of the surname, such as "Yip," which might be found in other regions or countries.
* Migration: People with the Yap surname might have migrated to other parts of the world, leading to its presence in different countries.
Therefore, while the surname Yap is generally associated with Chinese origin, it's best to consider the individual's specific background and ancestry to determine their nationality.