Cognomen Sirjani (Sirjani 
) , across the world, is a rare surname. The surname Sirjani is characteristic of Iran, where it is a rare surname, the United States, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it most frequently occurs in Iran, the United States, and the United Kingdom. Likewise, Sirjani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirjani | Iran, France, United Kingdom, United States, India |
| mohammad rahmati sirjani Iranian Grand Ayatollah, IR (b. 1928) |
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| mohammad ali sirjani researcher |
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| marjan sirjani Ph.D. Sharif University of Technology 2004 |
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