Surname Keffin (Keffin 
) , around the globe, is a very rare family name. The cognomen Keffin is characteristic of Indonesia, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and the United States. Much less frequently, Keffin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keffin | Philippines, South Africa, United States, Nigeria, Indonesia |