Family name Salbu (Salbu 
) , across the world, is a rare cognomen. The surname Salbu is characteristic of Norway, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and Nigeria. Measured by absolute frequency, the name is most common in Norway, Nigeria, and the United States. Very seldom, Salbu is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Salbu | India, United States, Malaysia, Norway, Nigeria |
| konrad johan harbo salbu Norwegian chess player, NO (b. 1904) |
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| brit salbu Norwegian professor of chemistry (b. 1947) |
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| bersvend salbu Norwegian politician, NO (b. 1968) |
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| brit salbu researcher (ORCID 0000-0002-2932-1110) |
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| steve salbu American academic, US |
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| marita salbu Norwegian association football player (b. 1990) |
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