Family name เบญจศิริ (เบญจศิริ 
) , around the world, is a very rare cognomen. The last name เบญจศิริ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, เบญจศิริ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เบญจศิริ | Thailand |