Surname Sekelj (סקלי 
, Sekelj 
) , around the globe, is a rare cognomen. The family name Sekelj is habitual in Southern Europe, particularly Croatia, where it is quite a rare surname, Serbia, and Slovenia. In absolute terms, it is commonest in Croatia, Serbia, and Israel.
| VARIANT | COUNTRY |
|---|---|
| סקלי | Israel |
| Sekelj | Germany, France, Serbia, Croatia, Slovenia |
| antonije sekelj Yugoslav Esperantist (b. 1907) |
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| vojislav sekelj Croatian writer, RS (b. 1946) |
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| matjaž sekelj Yugoslav and Slovenian ice hockey player, SI (b. 1960) |
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| sekelj erzsébet HU (b. 1958) |
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Mr, Gasper, Jovana, Jelena, Julija, Nikola, Emerik, Veljko, Zlatko, Martina, Margaux, Melanie, Mirjana, Stjepan, Andrija, Biserka, Dominik, Dražen, Vitomir, Marijana, Adrijana, Božidar, Stefan, Sabina, Sandra, Matija, Ana, Mato, Maja, Sara, Sasa, Alen, Anka, Luka, Ivan, Igor, Kristina, Mario, Božo, Dario, David, Davor, Josip, Tibor, Vesna, Ivana, Đuro, Marija, Sanja, and Klaudija