Cognomen Upadhaya (Upadhaya 
) , all over the world, is a common family name. The last name Upadhaya is characteristic of Nepal, where it is quite a common surname, India, where it is quite a rare surname, and Qatar. Measured by absolute frequency, this name is the most popular in India, Nepal, and Saudi Arabia.
| VARIANT | COUNTRY |
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| Upadhaya | Saudi Arabia, United Arab Emirates, United States, Nepal, India |
| santi devi upadhaya researcher (ORCID 0000-0002-3801-4964) |
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| sunil upadhaya researcher |
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| krishna upadhaya researcher |
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| prashant upadhaya researcher |
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| suraj upadhaya researcher |
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| ashwini kumar upadhaya (b. 1975) |
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| ashish upadhaya |
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| priyankar upadhaya |
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| devjyoti upadhaya Indian businessperson (born 1993, child of Sujit Kumar Upadhaya), IN (b. 1993) |
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