Throughout the world, Herceg (Herzog 
, Herceg , Херцег 
) is a rare primarily boy's, but very seldom feminine forename. The given name Herceg is characteristic of the Democratic Republic of the Congo, where it is a rare masculine name, Switzerland, and Austria. Not in comparison with a country's population, this name is the most popular in the Democratic Republic of the Congo, China, and Switzerland. Much more prevalently, Herceg is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Herceg, Herzog | Austria, Germany, France, United States, Switzerland |
| Херцег | Russia, Ukraine |
| הרצג | Israel |
Baviera, Bavière, Erceg, Herczeg, Herczegh, Herczegová, Hertzeg, Liechtenstein, Mecklenburg, Monaco, Nassau, Parma, and Woodstock
Herceg is also a name for the fictitious and mythical characters: Herceg , the musical character in the musical A padlás by Gábor Presser; Herzog Alba , the operatic character in the opera Der Schmied von Gent; Herzog Robert , the operatic character in the opera Guntram; Herzog Guido von Urbino , the operatic character in the opera Eine Nacht in Venedig and Herzog Blaubart , the operatic character in the opera Herzog Blaubarts Burg, Bluebeard's Castle, among other works.
| anjou jános magyar királyi herceg Hungarian prince, HU (b. 1354) |
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| hunyadi n. magyar királyi herceg Prince and Heir of Hungary, HU (b. 1464) |
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| jakša herceg (b. 1900) |
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| danko herceg Croatian canoeist, HR (b. 1974) |
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