Family name Lennart (Lennart 
, Lenni 
, Ленарт 
) , in all the world, is quite a rare last name. The cognomen Lennart is habitual in Sweden, where it is quite a rare surname, Norway, where it is a rare surname, and Taiwan. In absolute terms, it is commonest in Indonesia, Sweden, and Spain. More frequently, Lennart is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lennart | Germany, Netherlands, Indonesia, Denmark, Sweden |
| Lenni | Germany, Indonesia, Belgium, Denmark, United States |
| Ленарт | Kazakhstan, Ukraine, Russia, Armenia |
| Леннарт | Ukraine, Russia, Estonia |
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sonja de lennart German fashion designer, DE (b. 1920) |
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| väinö lennart Finnish playwright, FI (b. 1892) |
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| clare lennart Dutch writer and translator (1899-1972), NL (b. 1899) |
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| rafael segerstraale lennart FI (b. 1892) |
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| isobel lennart American screenwriter and playwright (1915-1971), US (b. 1915) |
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| caspar lennart German architect |
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Ck, Svensson, Sjöberg, Axelsson, Carlsson, Karlsson, Lindberg, Lundberg, Lundgren, Eriksson, Sandberg, Engström, Olofsson, Magnusson, Andersson, Bengtsson, Börjesson, Petersson, Johansson, Bergström, Pettersson, Forsberg, Hansson, Nielsen, Nilsson, Rd, Berg, Blom, Koch, Holm, Meyer, Nsson, Björk, Larsen, Jensen, Hansen, Olsson, Mattsson, Müller, Schmidt, Persson, Larsson, Jansson, Johnson, Jonsson, Jönsson, Gustavsson, and Gustafsson