Last name วงค์เพ็ญ (วงค์เพ็ญ 
) , in all the world, is a rare cognomen. The last name วงค์เพ็ญ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, วงค์เพ็ญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วงค์เพ็ญ | Thailand |