Worldwide, มฤทุ (มฤทุ 
, Mrithu 
) is a very rare mostly female, but infrequently boy's first name. The first name มฤทุ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare female name.
| VARIANT | COUNTRY |
|---|---|
| มฤทุ | Thailand |
| Mrithu | India |