Surname Loduca (Loduca 
) , in the entire world, is a rare last name. The cognomen Loduca is characteristic of Uruguay, where it is a rare surname, Argentina, and Italy. Measured by absolute frequency, this name is the most popular in the United States, Italy, and Argentina.
| VARIANT | COUNTRY |
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| Loduca | Italy, United States, Argentina, Canada, Brazil |
| vicente loduca IT (b. 1888) |
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| márcia loduca person identified in the Museu da Pessoa collection, BR (b. 1954) |
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| joseph loduca American composer, US (b. 1958) |
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| a. a. loduca |
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