Last name Jacher (Jacher 
) , around the globe, is a rare cognomen. The cognomen Jacher is characteristic of Poland, where it is a rare surname, the United States, where it is an extremely rare surname, and Germany. More frequently, Jacher is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Jacher | Germany, Philippines, India, United States, Poland |
| władysław jacher Polish sociologist (1931-2009), PL (b. 1931) |
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| jacher viladpai-nguen researcher |
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| jacher wiladphaingern researcher (ORCID 0000-0003-0610-2078) |
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| joseph e jacher researcher |
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