In the world, Iskren (Iskren 
) is a rare boy's given name. The forename Iskren is characteristic of Bulgaria, where it is quite a rare boy's name, and Greece, where it is a rare male name. Much less frequently, Iskren is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Iskren | Greece, Spain, Bulgaria, United States, United Kingdom |
| iskren plankov Bulgarian cross-country skier, BG (b. 1969) |
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| iskren menkovic researcher (ORCID 0000-0002-8117-2247) |
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| iskren garvanski researcher |
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| iskren y. georgiev researcher |
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| iskren kaftandjiev researcher |
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| iskren sergiev researcher |
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| iskren dimov correspondence chess player |
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| iskren atanasov badminton player, BG (b. 1982) |
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Peev, Todorov, Nikolov, Nitchev, Hristov, Vasilev, Velikov, Ignatov, Mihailov, Mihaylov, Mladenov, Simeonov, Stefanov, Stoyanov, Atanasov, Chakarov, Dimitrov, Gaidarov, Georgiev, Tsvetkov, Yordanov, Mankovski, Kirilov, Kamenov, Borisov, Azmanov, Mitev, Singa, Dinev, Dimov, Donev, Lalev, Iliev, Minkov, Spasov, Slavov, Krasimirov, Asenov, Petkov, Rachev, Ruskov, Tsakov, Vichev, Iskrev, Ivanov, Marinov, Milanov, Angelov, Petrov, and Radoslavov