Family name เบ็ญจรัตน์ (เบ็ญจรัตน์ 
, Bencharat 
) , all around the world, is a rare cognomen. The family name เบ็ญจรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, เบ็ญจรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เบ็ญจรัตน์ | Thailand |
| Bencharat | Thailand, United States, Malaysia |