Last name Wiser (怀泽 
, Wiser 
) , across the world, is quite a rare surname. The cognomen Wiser is characteristic of Switzerland, where it is quite a rare surname, Luxembourg, and the United States. Not in comparison with a country's population, it is the most numerous in the United States, China, and Switzerland. Very seldom, Wiser is the forename as well as the last name.
| VARIANT | COUNTRY |
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| 怀泽 | China |
| Wiser | Germany, Switzerland, United States, Ghana, China |
| johannes wiser DE (b. 1430) |
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| wolfgang wiser German architect, DE (b. 1500) |
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ferdinand andreas von wiser German diplomat, DE (b. 1677) |
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franz joseph von wiser (1679-1755) (b. 1679) |
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| heinrich franz xaver von wiser 17th-century German diplomat, secretary to Maria Anna of Neuburg, queen consort of Spain (b. 1665) |
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| johannes wiser DE (b. 1656) |
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| martin wiser AT (b. 1670) |
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| joseph anton wiser (1690-1758) (b. 1690) |
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| elisabeth dorothea von wiser (1718-1771), GB (b. 1718) |
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| josef leopold wiser Slovene, 18th century, male. Active in Ljubljana. Miniaturist, draughtsman, architect. Josef Wiser worked for the Ljubljana theatre and executed several views of the city. (b. 1725) |
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karl wiser politician (1800-1889), AT (b. 1800) |
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david friedrich wiser Swiss mineralogical chemist (1802-1878), CH (b. 1802) |
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| johann siegfried wiser (1752-1810), AT (b. 1752) |
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john philip wiser Canadian politician (1825-1911), CA (b. 1825) |
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maximilian graf von wiser German ophthalmologist, DE (b. 1861) |
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