Surname Hermenegildo (Hermenegildo 
) , throughout the world, is a common family name. The cognomen Hermenegildo is characteristic of Mexico, where it is quite a common surname, Spain, and Nicaragua, where it is quite a rare surname. In absolute terms, it is commonest in Mexico, Spain, and Brazil. Also, Hermenegildo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hermenegildo | Spain, Brazil, Angola, Mexico, Mozambique |
Ermenegilda, Ermenegildo, Ermengildo, Hermenegild, and Херменегилдо
| bruno hermenegildo researcher (ORCID 0000-0003-4854-8596) |
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| carlos hermenegildo researcher |
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| césar augusto hermenegildo Brazilian footballer and manager, BR (b. 1986) |
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| fernanda hermenegildo Brazilian tennis player, BR (b. 1988) |
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| alfredo hermenegildo |
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| jimena hermenegildo Mexican association football player, MX |
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