Across the world, Pereyro (Pereyro 
) is an extremely rare unknown gender first name. Much more frequently, Pereyro is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Pereyro | Spain, Argentina, United States, Brazil, Mexico |
Ana, Mario, Marta, Mauro, Mabel, Mirta, Sonia, Ariel, Celia, Pablo, Ruben, Delia, Dario, Diego, Laura, Lidia, Lucas, Lydia, Jorge, Julia, Julio, Juana, Maria, Omar, Olga, Ilda, Eve, Eva, Manu, Sara, Saul, Alex, Alan, Aron, Abel, Abii, Nancy, Rosa, Ruth, Dora, Luis, Jose, Juan, Nora, Elva, Emma, Hugo, Irma, Rita, and Norma