Last name Леннарт (Lennart 
, Леннарт 
) , across the world, is quite a rare surname. The surname Леннарт is characteristic of Sweden, where it is quite a rare surname, Norway, where it is a rare surname, and Taiwan. Not in comparison with a country's population, it is the most numerous in Sweden, Spain, and Taiwan. Much more prevalently, Леннарт is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lennart | Belgium, Netherlands, Germany, Denmark, Sweden |
| Леннарт | Russia, Estonia, Ukraine |