Cognomen Леонтин (Leontine 
, Leontin 
, Леонтин 
) , all over the world, is quite a rare surname. The last name Леонтин is characteristic of Romania, where it is quite a rare surname, Cameroon, and Guinea, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Romania, Ethiopia, and Cameroon. More prevalently, Леонтин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leontine | Ethiopia, Ivory Coast, Madagascar, Cameroon, Democratic Republic of the Congo |
| Leontin | Indonesia, Romania, United States, France, Democratic Republic of the Congo |
| Леонтин | Kyrgyzstan, Kazakhstan, Ukraine, Russia |
| Leontyn | Poland |