Cognomen Welser (Welser 
, ולזר 
) , across the world, is quite a rare last name. The surname Welser is habitual in Austria, where it is quite a rare surname, Germany, where it is a rare surname, and Czechia. In absolute terms, this name is the most popular in Austria, Germany, and the United States. Very seldom, Welser is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Welser | Czechia, United States, Austria, Germany, Guatemala |
| ולזר | Israel |
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bartholomäus v. welser German banker, DE (b. 1484) |
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| anton welser (b. 1451) |
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philippine welser Morganatic wife of the Archduke of Austria, DE (b. 1527) |
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| jacob welser (b. 1468) |
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| christoph welser (b. 1480) |
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| anton welser (b. 1486) |
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| sebastian welser (b. 1486) |
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| magdalena welser (b. 1490) |
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| franz anton welser (b. 1497) |
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| hans welser DE (b. 1497) |
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| ulrich welser DE (b. 1497) |
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markus welser German politician and astronomer (1558-1614), DE (b. 1558) |
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| veronika welser (b. 1500) |
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| sebastian welser DE (b. 1500) |
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| bartholomäus vi. welser explorer, DE (b. 1512) |
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