Throughout the world, จันทร์พงศ์ (Monday 
, Janpong 
, Chanpong 
) is a widespread dominantly masculine, but infrequently girly first name. The forename จันทร์พงศ์ is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is a common dominantly masculine, but infrequently girly name, Gabon, where it is quite a rare boy's name, and Liberia. Not in comparison with a country's population, it is the most numerous in Nigeria, the Democratic Republic of the Congo, and Philippines. Likewise, จันทร์พงศ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Monday | Uganda, Philippines, United States, Nigeria, Thailand |
| Janpong | Thailand, India |
| Chanpong | Canada, Philippines, United States, Thailand, India |
| จันทร์พงศ์ | Thailand |
จันทร์พงศ์ is also a name for the fictitious and mythical characters: .