Last name Cioroianu (Cioroianu 
) , around the world, is quite a rare family name. The last name Cioroianu is habitual in Romania, where it is quite a rare surname, Belgium, where it is a very rare surname, and Greece. In absolute terms, it is commonest in Romania, Italy, and Belgium. Very seldom, Cioroianu is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Cioroianu | Romania, Belgium, Italy, Spain, United States |
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adrian cioroianu Romanian politician, academic and writer, RO (b. 1967) |
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mihai cioroianu Romanian mountaineer (1967-1999), RO (b. 1967) |
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| alida cioroianu Romanian volleyball player, RO (b. 1973) |
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| alexandra ioana cioroianu researcher (ORCID 0000-0002-7152-3744) |
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| adrian radu cioroianu Ph.D. Technische Universiteit Eindhoven 2014 |
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Mr, Ionel, Ionut, Iulia, Marian, Marius, Silvia, Silviu, Simona, Serban, Andrei, Adrian, Carmen, Corina, Cosmin, Bogdan, Razvan, Roxana, Daniel, George, Lorena, Lucian, Emily, Elena, Diana, Romeo, Ms, Ana, Dan, Ion, Alin, Anda, Anca, Cati, Radu, Ruth, Lucica, Dani, John, Ioan, Oana, Maria, Mirel, Mihai, Sorin, Alina, Anișoara, Chris, Dana, and Tamina