Last name Simila (Semla 
, Simila 
, Semmel 
) , around the globe, is quite a rare family name. The last name Simila is characteristic of Finland, where it is quite a common surname, Estonia, where it is quite a rare surname, and Hungary. Not in comparison with a country's population, it is commonest in Finland, the United States, and Germany. Likewise, Simila is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Semla | Germany, Poland, United States, India, Democratic Republic of the Congo |
| Simila | Philippines, Kenya, Finland, United States, India |
| Semmel | Germany, Estonia, Finland, France, United States |
| Zsemle | Hungary, Slovakia |