Last name Otsamo (Otsamo 
) , worldwide, is a very rare family name. The surname Otsamo is characteristic of Northern Europe, particularly Finland, where it is a rare surname, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Otsamo | Finland, Estonia |
| kirsti otsamo Finnish actor (1953-2009), FI (b. 1953) |
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| kimmo otsamo Finnish actor (1963-1992), FI (b. 1963) |
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| pentti otsamo FI (b. 1967) |
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| santtu otsamo FI (b. 1971) |
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| mert otsamo Finnish fashion designer, FI (b. 1990) |
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