Gender masculine Βασίλης is a variant of Greek name Βασίλειος.Feasts and saints related to given name Βασίλης St Basile le Grand, archevêque de Césarée Feast day January 1 When is Βασίλης's name day? Βασίλης's Day is celebrated on January 1 in memory of St Basile le Grand. Transcriptions Vassilis(la) Log in or register to post comments Be the first to rate this name Leave this field blank