Cognomen Darelli (Darelli 
) , globally, is quite a rare last name. The cognomen Darelli is habitual in India, where it is a rare surname, Italy, and Argentina, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in India, Italy, and Brazil. Much less frequently, Darelli is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Darelli | Italy, United States, India, Argentina, Brazil |
| johan anders af darelli SE (b. 1718) |
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| isak af darelli Swedish translator, SE (b. 1756) |
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| justo darelli Uruguayan painter, UY (b. 1897) |
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| ruben darelli UY (b. 1930) |
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Mr, Gina, Gino, Lisa, Luis, Janu, Jose, Juan, Naga, Nefi, Elio, Elmo, Edda, Enzo, Vasu, Frã, Ines, Iris, Irma, Ilda, Yesu, Usha, Gopi, Diva, Dasu, Ravi, Ana, Raj, Leo, Luz, Tim, Esu, Uma, Mark, Mara, Mani, Maria, Anna, Arun, Adam, Ciro, Babu, Beli, Paul, Prem, Rama, Rani, Raju, Anil, and Mario