Cognomen Kaeser (Kaeser 
, Käser , קייזר 
) , in all the world, is quite a common surname. The family name Kaeser is habitual in Switzerland, where it is quite a common surname, Germany, where it is quite a rare surname, and Israel. Not in comparison with a country's population, it is the most numerous in Germany, Switzerland, and the United States. Very seldom, Kaeser is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaeser, Käser | Germany, Austria, Switzerland, United States, France |
| קייזר | Israel |
Kaese, Kaesmacher, Keser, and Кезер
|
ewald kaeser CH (b. 1918) |
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| elisabeth kaeser German politician (1882-1953), DE (b. 1882) |
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| paul kaeser Swiss rower, CH (b. 1904) |
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joe kaeser German businessman, DE (b. 1957) |
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| hildegard johanna kaeser DE (b. 1904) |
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| carl kaeser German mechanical engineer (1914-2009), DE (b. 1914) |
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| emil kaeser (b. 1908) |
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| fritz kaeser (b. 1910) |
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| axel otto kaeser (b. 1916) |
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| anthony carl kaeser b.16 April 1932 d.18 May 2016 (b. 1932) |
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| bert kaeser German art historian and archaeologist, DE (b. 1943) |
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| eduard kaeser Swiss physicist, CH (b. 1948) |
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| jules kaeser (b. 1940) |
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| ewald kaeser CH (b. 1942) |
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| hans-peter kaeser CH (b. 1942) |
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