Across the world, Erdelyan (Erdelyan 
) is an extremely rare unknown gender first name. Predominantly, Erdelyan is the last name as well as the forename.
Adam, Julia, Emily, Miguel, Shelly, Carrie, Gladys, Eileen, Michael, Belinda, Raymond, Rebecca, Dolores, Gregory, Violeta, Ashleigh, Louis, Alejandro, Garry, Becky, Cody, Paul, Greg, Lara, Lynn, John, Judy, Elsa, Edna, Sarah, Sadie, Shawn, Susan, Susie, Carla, Robin, and Esmeralda