Throughout the world, Santianez (Santianez 
) is an extremely rare unknown gender first name. Much more frequently, Santianez is the last name as well as the forename.
Mia, Elvis, Elmer, Ester, Ernie, Helen, Feliz, Irene, Marvin, Milven, Analyn, Anesia, Adrian, Chariz, Carlos, Ronald, Reysan, Dorris, Gelita, Loreto, Janina, Jayson, Elsie, Naomi, Terry, Glenn, Ray, Nil, Alec, Andy, Rosa, Ruth, Rufo, Leah, Joel, Maria, Emilio, Mercy, Susan, Sucit, Angel, Ailyn, April, Randy, Rodel, Relix, Donna, Grace, Sally, and Emelyn