All over the world, Svetoslav (Svetoslav 
, Светослав 
, סבטוסלב 
) is quite a common masculine given name. The first name Svetoslav is habitual in Bulgaria, where it is quite a common male name, Cyprus, where it is quite a rare boy's name, and Greece. In absolute terms, it is commonest in Eastern Europe, particularly Bulgaria, Russia, and Romania. Much less frequently, Svetoslav is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Svetoslav | Bulgaria, Greece, Spain, United States, Romania |
| Светослав | Bulgaria, Kazakhstan, Ukraine, Belarus, Russia |
| סבטוסלב | Israel |
Sveto, Sviataslau, Sviatoslav, Svjatoslav, Svyatoslav, Svétoslav, Swetoslaw, Swjatoslaw, Światosław, Свето, Святаслав, Святаслаў, Святослав, and Свётослав
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svetoslav suronja king of Croatia, HR (b. 950) |
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| svetoslav simeonov Bulgarian military, lawyer and public figure, MK (b. 1883) |
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| svetoslav madzharov GR (b. 1893) |
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svetoslav stoyanov Bulgarian badminton player, BG (b. 1976) |
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svetoslav angelov volleyball player, BG (b. 1983) |
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| svetoslav kalchev bulgarian footballer (b. 1933) |
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| svetoslav diamandiev (b. 1936) |
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| svetoslav bombík politician (b. 1963) |
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| svetoslav mihajlov chess player (b. 1967) |
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| svetoslav tchanliev Bulgarian bicycle racer, BG (b. 1973) |
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| svetoslav nikolov researcher |
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| svetoslav kurtev researcher |
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| svetoslav g. bobev botanist |
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| svetoslav savov researcher |
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| svetoslav dimov researcher |
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Mitev, Lazarov, Todorov, Nikolov, Hristov, Vasilev, Mihaylov, Mladenov, Simeonov, Stefanov, Stanchev, Stoyanov, Slavchev, Aleksiev, Atanasov, Dimitrov, Georgiev, Grigorov, Yordanov, Kostadinov, Vladimirov, Svetoslavov, Krastev, Kirilov, Borisov, Angelov, Savov, Kolev, Popov, Dimov, Nikov, Iliev, Markov, Stoqnov, Spasov, Slavov, Aleksandrov, Asenov, Pavlov, Petrov, Petkov, Dobrev, Ivanov, Marinov, Milanov, Sokolov, Stoilov, Stoykov, Kostov, and Nikolaychov