Last name พจน์ธนาดิถี (พจน์ธนาดิถี 
) , all around the world, is a very rare cognomen. The cognomen พจน์ธนาดิถี is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พจน์ธนาดิถี | Thailand |