Worldwide, เพ็ญกัญญา (เพ็ญกัญญา 
, Penkanya 
) is a very rare girly given name. The first name เพ็ญกัญญา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare female name.
| VARIANT | COUNTRY |
|---|---|
| เพ็ญกัญญา | Thailand |
| Penkanya | United States, Thailand |