Throughout the world, Harwin (Harwin 
, 哈文 
) is quite a rare principally male, but very infrequently feminine first name. The forename Harwin is habitual in Nicaragua, where it is a rare male name, Indonesia, where it is a rare principally male, but very infrequently girly name, and Philippines, where it is a rare boy's name. Measured by absolute frequency, it is the most numerous in Indonesia, Philippines, and India. Likewise, Harwin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Harwin | Philippines, United Kingdom, United States, India, Indonesia |
| 哈文 | China |