Family name Oujo (Oujo 
) , around the world, is quite a rare cognomen. The last name Oujo is habitual in Japan, where it is quite a rare surname, Uruguay, where it is a rare surname, and Spain. Much less frequently, Oujo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oujo | Spain, Uruguay, France, United States, Japan |
May, Adrian, Brandy, Ramona, Raquel, Lauren, Javier, Julian, Toshio, Teresa, Eileen, Victor, Isabel, Óscar, Matthew, Micaela, Antonio, Corinne, Kaitlin, Dominic, Dolores, Joaquin, Arturo, Susumu, Sandra, Mingos, Mari, Matt, Rosa, Jack, Jose, Juan, Enzo, Fran, Maria, Marã, Santiago, Mªteresa, Chris, Pilar, Diego, Laura, Laxus, Tania, Elena, María, Manuel, Miriam, Angel, and Cristina