Last name Decu (Decu 
) , in the entire world, is quite a rare cognomen. The surname Decu is habitual in Romania, where it is quite a rare surname, Italy, where it is a very rare surname, and Germany. Very seldom, Decu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Decu | Spain, India, Romania, Germany, Italy |
| vasile g. decu Romanian entomologist, RO (b. 1931) |
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| simona decu Ph.D. University of Bucharest 2009, RO |
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| fănica decu Romanian politician from Stelnica, Ialomița County, RO |
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| simona decu researcher |
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