Across the world, Svetko (Svetko 
) is a rare boy's forename. The first name Svetko is habitual in Croatia, where it is quite a rare male name, and the United States, where it is an extremely rare boy's name. Very seldom, Svetko is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Svetko | Czechia, Italy, Slovakia, Slovenia, Croatia |
| svetko martelanc IT (b. 1886) |
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| svetko kobal SI (b. 1921) |
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| svetko grgič IT (b. 1931) |
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| svetko lapajne SI |
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