Last name Sicardo (Sicardo 
) , worldwide, is a rare cognomen. The last name Sicardo is habitual in Mexico, where it is a rare surname, Spain, where it is a very rare surname, and Argentina. Not in comparison with a country's population, it is commonest in Mexico, the United States, and Spain. Very seldom, Sicardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sicardo | Argentina, Spain, Brazil, United States, Mexico |
| juan bautista sicardo Augustinian friars, ES (b. 1638) |
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| jose sicardo Roman Catholic archbishop, ES (b. 1643) |
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Ana, Rocio, Ruben, Debra, David, Dolly, Laura, Louis, Jason, Jorge, Jesus, Julio, Nancy, Nilsa, Norma, Noemi, Erika, Ethel, Felix, Oliva, Oscar, Zaida, Ramon, Pedro, Paula, Karen, Pat, Lou, Ida, Sara, Aldo, Anne, Kiki, Paul, Raul, Rosa, Martha, Luis, Juan, Eric, Iris, Irma, Ivan, Maria, Mario, Marco, Mitzi, Sofia, Jose, and Manuel