Last name Westén (Westén 
) , in the world, is a very rare cognomen. The family name Westén is habitual in Northern Europe, particularly Sweden, where it is a rare surname, and Finland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Westén | Finland, Sweden |
| aron westén 1737-1814 priest, writer (b. 1737) |
|
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| monica westén Swedish heptathlete and hurdler, SE (b. 1966) |
|