Last name Rydberg (Rydberg 
, Ридберг 
) , globally, is quite a rare cognomen. The last name Rydberg is habitual in Northern Europe, particularly Sweden, where it is quite a common surname, Denmark, where it is quite a rare surname, and Norway, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Sweden, the United States, and Denmark. Much less frequently, Rydberg is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rydberg | Norway, Sweden, United States, Finland, Denmark |
| Ридберг | Ukraine |
| johan rydberg SE (b. 1680) |
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| christina catharina rydberg SE (b. 1715) |
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abraham rydberg SE (b. 1780) |
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carl august rydberg Swedish poet (1824-1872), SE (b. 1824) |
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viktor rydberg Swedish writer (1828-1895), SE (b. 1828) |
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olof simon rydberg SE (b. 1822) |
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august rydberg SE (b. 1824) |
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gustaf rydberg Swedish painter (1835-1933), SE (b. 1835) |
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| catharina charlotta rydberg SE (b. 1777) |
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| johan rydberg SE (b. 1787) |
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wilhelm rydberg actor and theatre manager (1850-1915), SE (b. 1850) |
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carl rydberg SE (b. 1844) |
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janne rydberg Swedish physicist, SE (b. 1854) |
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wilhelm rydberg Swedish politician, SE (b. 1869) |
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gustaf rydberg SE (b. 1860) |
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