Family name Mbayoh (Mbayoh 
) , all around the world, is a rare last name. The surname Mbayoh is characteristic of Sierra Leone, where it is quite a rare surname, Liberia, and Australia, where it is a very rare surname. Measured by absolute frequency, it is commonest in Sierra Leone, Liberia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Mbayoh | Sierra Leone, Liberia, United States, Australia |