Family name Bayuni (Bayuni 
) , in all the world, is a rare cognomen. The surname Bayuni is characteristic of Tanzania, where it is a rare surname, Indonesia, and Philippines, where it is a very rare surname. Very seldom, Bayuni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bayuni | Indonesia, Philippines, United Kingdom, India, Tanzania |