Cognomen Trefina (Trefina 
) , throughout the world, is an extremely rare surname. The cognomen Trefina is characteristic of Peru, where it is an extremely rare surname, Spain, and Venezuela. Predominantly, Trefina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trefina | Italy, Philippines, United States, Peru, Democratic Republic of the Congo |
Awe, Delute, Torres, Failma, Itengula, Orandi, Sayapad, Suganob, Sorbito, Bantang, Batoumou, Bragais, Kerrain, Gindi-Fox, Ortuoste, Wilbard, Mostales, Villaluz, Pascua, Manginsawan, Paulus, Asiedu, Fox, Mozo, Cait, Silva, Simms, Abing, Ablog, Adams, Dixon, Jones, Talan, Villa, Velez, Ocino, Masbad, Mamani, Alkoyno, Bakala, and Albuquerque