Family name Bårdstu (Bårdstu 
) , in the entire world, is a very rare surname. The family name Bårdstu is habitual in Northern Europe, particularly Norway, where it is a rare surname.
| rasmus bersvendssønn bårdstu Norwegian farmer and painter (1782–1863), NO (b. 1782) |
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| bjarne bårdstu Norwegian composer (b. 1953) |
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| dag bårdstu Norwegian musician, NO (b. 1962) |
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| hilde bremseth bårdstu researcher |
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