In the entire world, Semec (Semec 
) is an extremely rare unknown gender forename. Much more frequently, Semec is the last name as well as the forename.
Emil, Marijan, Melonie, Alberto, Adriana, Cecilie, Claudio, Daniela, Gabriel, Giorgio, Juancee, Santiago, Veronica, Federico, Christian, Christine, Franco, Hernan, Jobert, Damjan, Maria, Mayda, Adela, Carla, Kevin, Denis, Livio, Gian Luca, Lucas, Oscar, Matias, Sandra, Andrea, Cinzia, Katica, Rafael, Lynda, and Secretaria