Last name Holwin (Holwin 
) , in the world, is an extremely rare cognomen. The last name Holwin is characteristic of Nicaragua, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and the United States. Likewise, Holwin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Holwin | Nicaragua, United States, India, Brazil, Venezuela |