Surname Wilyanto (Wilyanto 
) , globally, is a rare cognomen. The surname Wilyanto is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, and Malaysia, where it is a very rare surname. Much less frequently, Wilyanto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilyanto | Malaysia, Indonesia, Singapore |