Last name Rūja (Rūja 
) , around the world, is a very rare cognomen. The last name Rūja is habitual in Northern Europe, particularly Latvia, where it is a rare surname.
| edgars rūja Latvian association football player and basketball player (1915-1941), LV (b. 1915) |
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| valdis rūja LV (b. 1928) |
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