Globally, Кевлин (Kevlin 
, Kevlyn 
, Ceawlin 
) is a rare epicene first name. The forename Кевлин is characteristic of Tanzania, where it is a rare unisex name, Brazil, where it is a very rare unisex name, and South Africa, where it is a very rare masculine name. In absolute terms, it is commonest in Brazil, Tanzania, and the United States. Likewise, Кевлин is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kevlin | Tanzania, Taiwan, Brazil, United States, Nigeria |
| Kevlyn | South Africa, Brazil, United States, Honduras, Nigeria |
| Ceawlin | United Kingdom |
| Кевлин | Kazakhstan, Russia |