Last name เบญจนันท์ (เบญจนันท์ 
, Benjanan 
, Benchanan 
) , in the world, is a very rare surname. The surname เบญจนันท์ is characteristic of Israel, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, เบญจนันท์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เบญจนันท์ | Thailand |
| Benjanan | United States, Thailand |
| Benchanan | Israel, United States, Thailand |