Cognomen Zwicky (Zwicky 
, Цвики 
) , around the world, is quite a rare family name. The surname Zwicky is characteristic of Liechtenstein, where it is quite a common surname, Switzerland, and Eswatini, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Switzerland, the United States, and Denmark. Very seldom, Zwicky is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zwicky | Germany, Switzerland, Eswatini, United States, Denmark |
| Цвики | Belarus |
| johann heinrich zwicky (b. 1651) |
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| othmar zwicky (1706-1755), CH (b. 1706) |
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| johann heinrich zwicky (1732-1799), CH (b. 1732) |
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| johann melchior zwicky (1750-1806), CH (b. 1750) |
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| fridolin zwicky CH (b. 1758) |
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| dietrich zwicky (1784-1845), CH (b. 1784) |
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| caspar lebrecht zwicky (b. 1820) |
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| johann kaspar zwicky (1847-1911), CH (b. 1847) |
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fritz zwicky Swiss astronomer who posited dark matter (1898-1974), US (b. 1898) |
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| caspar zwicky (1863-1935), CH (b. 1863) |
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| nelly zwicky (1872-1946), CH (b. 1872) |
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rudolf zwicky Swiss electrical engineer and professor at ETH Zurich, CH (b. 1923) |
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| johann friedrich zwicky (1876-1946), CH (b. 1876) |
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| gottfried zwicky (1880-1947), CH (b. 1880) |
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| jakob walter zwicky (1882-1956), CH (b. 1882) |
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