Vlassis

Vlassis is both a given name and a surname. Notable people with the name include:
 * Aristidis Vlassis (1947–2015), Greek painter
 * Vlassis Bonatsos (1949–2004), Greek actor
 * Vlassis Maras, Greek gymnast
 * Vlassis G. Rassias (1959–2019), Greek writer, religious leader
 * Kostas Vlasis, Deputy Minister of Greeks abroad at the Ministry of Foreign Affairs (Greece)