Family name Nicolaescu (Nicolaescu 
, Николаеску 
, Ніколаєску ) , in the world, is quite a common last name. The last name Nicolaescu is characteristic of Moldova, where it is quite a common surname, Romania, and Afghanistan, where it is a rare surname. Measured by absolute frequency, the name is most common in Romania, Moldova, and Italy. Much less frequently, Nicolaescu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nicolaescu | Romania, Moldova, Italy, United States, Afghanistan |
| Николаеску | Russia, Ukraine |
| Ніколаєску | Ukraine |
Nicolăescu, and Ницолаесцу
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stoica nicolaescu Romanian historian, RO (b. 1878) |
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| constantin i. nicolaescu Romanian politician (1861-1945), RO (b. 1861) |
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sergiu florin nicolaescu Romanian film director, actor and politician (1930-2014), RO (b. 1930) |
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| george nicolaescu RO (b. 1885) |
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| mircea nicolaescu Romanian footballer, RO (b. 1909) |
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| mircea i. nicolaescu RO (b. 1921) |
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| ioan nicolaescu Romanian politician, RO (b. 1940) |
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| leonida nicolae nicolaescu politician (b. 1943) |
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| gabriela nicolaescu (b. 1951) |
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| liviu i. nicolaescu (b. 1964) |
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| liviu i. nicolaescu Ph.D. Michigan State University 1994 |
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| nicolae nicolaescu RO |
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| ion nicolaescu association football player, MD (b. 1998) |
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Mr, Nina, Vali, Vera, Vlad, Ilie, Ioan, Iuly, Olga, Oana, Maria, Mihai, Sarah, Sorin, Sofia, Alice, Alisa, Alina, Andra, Aneta, Adela, Adina, Nicu, Aurel, Lina, Gina, Ms, Ana, Adi, Ady, Dan, Flo, Ion, Mark, Mara, Alex, Alin, Andy, Anna, Anca, Aron, Aura, Paul, Radu, Dana, Doru, Gabi, Gigi, and Colia