Vlasto or Vlastos is a surname. Notable people with the surname include:
Chris Vlasto (born 1966), American television producerDominique Vlasto (born 1946), French politicianJames S. Vlasto (born 1934) Press Secretary to Governor Hugh L. Carey of New YorkGeorge S. Vlasto (1928-2014) Assistant Professor of Physiology and Neurobiology at University of ConnecticutAlexis (Peter) Vlasto (1915-2000) Slavonic scholar at Cambridge UniversityGregory Vlastos (1907-1992) Philosophy at PrincetonJulie Vlasto (1903–1985), French tennis playerSolon G. Vlasto (1903-1998) Publisher of the Atlantis newspaperKostia Vlastos (1883-1967) Banker and war journalistDemetrius J. Vlasto (1869–1944)- Founder of the Atlantis newspaperSolon Stylien J. Vlasto (1852–1927) Founder of the Atlantis newspaperErnest-Michel Vlasto (1848-1894)- Distinguished engineerJean C. Vlasto (1814-1869) - Teacher and writerSyphis Vlasto c. 15th – Resistance Leader, CreteNicolas Vlasto c. 15th – Pioneer printer VeniceMeletios Vlastos (1576-1643) - Well known preacher, scholar and teacher.