Cognomen ميثو (Mithu 
, ميثو 
) , around the world, is a common surname. The surname ميثو is characteristic of Bangladesh, where it is quite a common surname, Qatar, where it is quite a rare surname, and Oman. Measured by absolute frequency, it is the most numerous in Bangladesh, India, and Saudi Arabia. More prevalently, ميثو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mithu | Saudi Arabia, Nepal, India, Bangladesh, United Arab Emirates |
| ميثو | Sudan, Iraq, Saudi Arabia |