Around the world, Délia (Délia 
) is a rare feminine forename. The forename Délia is habitual in the Democratic Republic of the Congo, where it is a rare girly name, Portugal, and Switzerland. Not in comparison with a country's population, the name is most common in the Democratic Republic of the Congo, Portugal, and France. Very seldom, Délia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Délia | Portugal, France, Belgium, Democratic Republic of the Congo, Switzerland |
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délia tétreault Canadian Religious Sister and foundress, CA (b. 1865) |
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| délia col French actress (1897-1976), FR (b. 1897) |
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délia razuk Brazilian politician, BR (b. 1955) |
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| délia suriano Argentinian parasitologist, AR |
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| délia cristina figueira aguiar researcher |
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| délia canha gouveia reis Ph.D. Universidade da Madeira 2014 |
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| délia espinat-dief French actress, FR (b. 1994) |
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Gui, Capelle, Pacheco, Ribeiro, Delanne, Djebbour, Gouveia, Freitas, Zufferey, Medeiros, Sabatery, Carreira, Carvalho, Bergonzi, Pinheiro, Domingos, Lasselin, Teixeira, Ferreira, Oliveira, Bakhouche, Rodrigues, Almeida, Fernandes, Sanchez, Marques, Melo, Radi, Lima, Maria, Silva, Sousa, Souza, Costa, Gomes, Tieze, Noël, Nunes, Vales, Santos, Simão, Aterido, Chaves, Raposo, Ledieu, Joyeux, Vieira, Moreira, and Gonçalves