Surname Alroy (Alroy 
, אלרואי , אלראי ) , worldwide, is a rare cognomen. The surname Alroy is habitual in Israel, where it is quite a rare surname, Australia, where it is a very rare surname, and Indonesia. Not in comparison with a country's population, it is the most numerous in Israel, Indonesia, and the United States. More frequently, Alroy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alroy | Indonesia, South Africa, India, Israel, Democratic Republic of the Congo |
| אלרואי, אלראי | Israel |
| Алрой | Russia |
| david alroy Jewish pseudo-Messiah, IQ (b. 1200) |
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| john alroy American scientist, US (b. 1966) |
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| karen a alroy researcher (ORCID 0000-0002-1867-4762) |
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