Surname Lauyan (Lauyan 
) , throughout the world, is a rare last name. The cognomen Lauyan is characteristic of Philippines, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, Lauyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lauyan | China, Philippines, Taiwan, United States, Brazil |