Surname Ryser (Ryser 
, Ризер 
) , all around the world, is quite a common last name. The cognomen Ryser is characteristic of Switzerland, where it is quite a common surname, Denmark, where it is a rare surname, and France. Not in comparison with a country's population, it most frequently occurs in Switzerland, the United States, and France. Much less frequently, Ryser is the forename as well as the last name.
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| Ryser | Argentina, Germany, France, United States, Switzerland |
| Ризер | Armenia, Russia |
| marian ryser (1620-1680), CH (b. 1620) |
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| johann ryser (b. 1746) |
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fritz ryser Swiss cyclist (1873-1916), CH (b. 1873) |
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| émile ryser Swiss watchmaker, politician and engraver, CH (b. 1866) |
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h. j. ryser 1923-1985, Professor of mathematics, US (b. 1923) |
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walter ryser CH (b. 1931) |
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| albert ryser Swiss politician (1903-1987), CH (b. 1903) |
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| fritz ryser CH (b. 1910) |
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| fred a. ryser jr. American professor of biology (1920-2011), US (b. 1920) |
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nicolas ryser French comics artist, FR (b. 1976) |
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franziska ryser Swiss politician, CH (b. 1991) |
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| peter ryser CH (b. 1939) |
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| patrick ryser French politician, FR (b. 1955) |
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| dany ryser football manager, CH (b. 1957) |
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| elliot t ryser researcher (b. 1957) |
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