Family name Ulvaeus (Ulvaeus 
) , around the world, is a very rare last name. The cognomen Ulvaeus is habitual in Sweden, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Ulvaeus | United States, Sweden |
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björn ulvaeus Swedish musician; member of ABBA, SE (b. 1945) |
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| aina ulvaeus 1909 - 2005, SE (b. 1909) |
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| erik gunnar ulvaeus 1912 - 1999, SE (b. 1912) |
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| marta ulvaeus (b. 1957) |
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| linda ulvaeus Swedish singer and actress, SE (b. 1973) |
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| christian ulvaeus Swede, SE (b. 1977) |
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