Surname Silwano (Silwano 
) , throughout the world, is a very rare family name. The surname Silwano is characteristic of Tanzania, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and India. Also, Silwano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silwano | Brazil, United Kingdom, United States, Tanzania, India |