Cognomen Haghnegahdar (Haghnegahdar 
) , in the world, is a rare family name. The last name Haghnegahdar is habitual in Sweden, where it is a rare surname, Iran, where it is a very rare surname, and Germany. In absolute terms, it most frequently occurs in Iran, the United States, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Haghnegahdar | Germany, Sweden, Iran, United States, Canada |
| amin haghnegahdar Ph.D. University of Waterloo 2015 |
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| abdolaziz haghnegahdar researcher |
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