Family name Lilljegren (Lilljegren 
) , in the world, is a very rare cognomen. The surname Lilljegren is habitual in Northern Europe, particularly Sweden, where it is a rare surname. Very seldom, Lilljegren is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lilljegren | Sweden, Spain |
| outi lilljegren Finnish actor, FI |
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| joakim lilljegren Swedish translator, SE (b. 1986) |
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