Last name Vassilis (Vassilis 
, Βασίλης , Βασίλειος ) , worldwide, is a rare family name. The family name Vassilis is characteristic of Greece, where it is quite a rare surname, Bulgaria, where it is a rare surname, and New Zealand, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Greece, France, and the United States. Much more frequently, Vassilis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vassilis | Greece, United States, United Kingdom, Belgium, Cyprus |
| Βασίλειος, Βασίλης | Greece |
| Василис | Russia, Ukraine, Bulgaria |
Basil, Basile, Basileios, Basili, Basilide, Basilio, Basilius, Basos, Basílio, Bazil, Bazilij, Bazilo, Bazyli, Lakis, Pasi, Vasil, Vasil', Vasile, Vasileios, Vasili, Vasilii, Vasilij, Vasilije, Vasilios, Vasilis, Vasiliy, Vasily, Vasos, Vassil, Vassileios, Vassili, Vassilios, Vassyl, Vasyl, Vaszil, Vaszilij, Vazul, Wasil, Wasilij, Wasos, Wassil, Wassili, Wassily, Wassyl, Wasyl, Βάσος, Λάκης, Базил, Базиле, Базили, Базилий, Базилио, Базило, Базилій, Басиль, Безіл, Бэзил, Вазул, Васил, Василе, Василевс, Василие, Василий, Василиос, Василије, Василь, Василій, Василіс, Вассил, Вассили, Вассілі, Васыль, Васька, Вася, Васіль, Васілій, Паси, Վասիլի, וסילי, باسيل, فاسيل, فاسيلي, واصل, ვასილ, ვასილი, バジル, and 瓦西里
Rizos, Gerogiannis, Vassiliadis, Angelopoulos, Antonopoulos, Konstantinou, Panagopoulos, Papadopoulos, Papanikolaou, Papageorgiou, Papavassiliou, Georgopoulos, Nikolopoulos, Michalopoulos, Christopoulos, Papadimitriou, Dimitropoulos, Apostolopoulos, Konstantinidis, Theodoropoulos, Anagnostopoulos, Paraskevopoulos, Petropoulos, Papaioannou, Kostopoulos, Stathopoulos, Ballas, Kontos, Pappas, Stavrou, Alexiou, Politis, Ioannou, Orfanos, Zarifis, Mavridis, Panagiotopoulos, Stergiou, Komninos, Georgiou, Tsakiris, Nikolaou, Kalantzis, Papadakis, Theodorou, Vassiliou, Fotopoulos, Ioannidis, Alexakis, and Papakonstantinou