Cognomen เบญจพฤกษ์ (เบญจพฤกษ์ 
) , globally, is a very rare family name. The last name เบญจพฤกษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, เบญจพฤกษ์ is the forename as well as the last name.