Cognomen Semella (Simila 
, Semala 
, Semele 
) , throughout the world, is quite a rare family name. The last name Semella is characteristic of Botswana, where it is quite a common surname, Finland, and Lesotho, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Finland, Botswana, and the United States. Likewise, Semella is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Simila | Philippines, Kenya, India, United States, Finland |
| Semala | Philippines, Malaysia, India, United States, Nigeria |
| Semele | Botswana, India, Iraq, South Africa, United States |
| Semella | Philippines, India, South Africa, Lesotho, United States |