Surname Sommarström (Sommarström 
) , worldwide, is a very rare family name. The family name Sommarström is habitual in Northern Europe, particularly Sweden, where it is a rare surname, and Finland.
| VARIANT | COUNTRY |
|---|---|
| Sommarström | Finland, Sweden |
| bo sommarström SE (b. 1923) |
|
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| johan mathias sommarström Swedish journalist, SE (b. 1973) |
|