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 | Kenya, India, United States, Philippines, Finland |
| Semala | India, Malaysia, United States, Philippines, Nigeria |
| Semele | India, United States, Botswana, South Africa, Iraq |
| Semella | India, United States, South Africa, Philippines, Lesotho |