Globally, พงศ์ธณัช (พงศ์ธณัช 
) is a very rare boy's given name. The first name พงศ์ธณัช is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| พงศ์ธณัช | Thailand |
อาปอง, คณาญาติ, and สุขเสถียรวงศ์