Globally, Petrai (Petrai 
) is an extremely rare masculine given name. More prevalently, Petrai is the last name as well as the forename.
Sara, Viktor, Ornela, Massimo, Stelios, Alessio, Antonio, Rosario, Romario, Giacomo, Louanne, Nikolas, Marcello, Stefania, Giovanni, Veronica, Federico, Antonella, Enrico, Francesca, Eranta, Chiara, Alex, Anna, Rita, Lisa, John, Joan, Elsa, Mario, Anisa, Pedro, Rocco, Diego, Laura, Elena, Ilias, Monica, Spyros, Elodie, and Francesco