Throughout the world, Petroulias (Petroulias 
) is an extremely rare unknown gender given name. Much more frequently, Petroulias is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Petroulias | Canada, Australia, United States, Greece, New Zealand |
Sam, George, Jackie, Tassos, Nikita, Manolis, Andreas, Anthony, Dimitra, Gregory, Nikitas, Heather, Ioannis, Sotirios, Spyridon, Christos, Calliope, Patricia, Pantelis, Dimitris, Georgios, Nicholas, Petros, Nikolaos, Andrew, Irine, Tim, Alex, Alec, Pete, Rosa, Dena, John, Tony, Tina, Nick, Alexi, Chris, Patti, Patsy, Peter, Penny, Poppy, Louis, Julie, Nikos, Helen, Ilias, and Christina