Last name Brelih (Brelih 
) , worldwide, is a rare surname. The surname Brelih is habitual in Slovenia, where it is quite a common surname, Croatia, where it is a rare surname, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Slovenia, Croatia, and Germany. Very seldom, Brelih is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Brelih | Slovenia, Australia, Croatia, Germany, United States |
| peter brelih SI (b. 1882) |
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| miloš brelih SI (b. 1916) |
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| savo brelih biologist, SI (b. 1927) |
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boris brelih |
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| franc brelih SI (b. 1943) |
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Mr, Andraz, Boštjan, Blanka, Damjan, Tadeja, Tomaž, Tomaå, Andrej, Barbara, William, Michelle, Angelina, Bernarda, Branimir, Patricia, Danijela, Dorothy, Valerija, Marjan, Tilen, Ms, Ema, Maks, Sara, Anja, Bill, Erin, Nives, Hana, Mojca, Anita, Bojan, Brane, Petra, Peter, Tadej, Marko, and Đurđica