Worldwide, Delsio (Delsio 
) is a rare masculine first name. The given name Delsio is habitual in Latin America and the Caribbean, particularly Argentina, where it is a very rare male name, and Brazil. Much less frequently, Delsio is the last name as well as the forename.
Senn, Santos, Alonso, Campos, Garcia, Gamboa, Guedes, Guzman, Junior, Farias, Wernli, Martins, Carlino, Hilario, Ventura, Quadros, Scoreanzi, Castillo, Peyronel, Gonzalez, Oliveira, Kochemborger, Muller, Minaya, Natal, Lopes, Cruz, Kunz, Kist, Rosa, Rech, Dias, Gaia, Neto, Heck, Mello, Demarlenge, Meyer, Servi, Souza, Alves, Abenb, Assis, Barni, Borge, Klein, Rocha, Lopez, Silva, and Nascimento