Globally, ดิถีเพ็ญ (ดิถีเพ็ญ 
) is a very rare girly forename. The first name ดิถีเพ็ญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare female name. Also, ดิถีเพ็ญ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ดิถีเพ็ญ | Thailand |