Vassilios Sillis (Greek: ?as??e??? S?????; 9 March 1929 – 5 January 2018) was a Greek athlete and a record holder over 400m in Greece.
As a sprinter he competed in the 1952 Summer Olympics and in the 1960 Summer Olympics.
He was born in Athens.
in 2012 he returned his very first award by PSAT (Panhellenic Association of Athletics Press) taken in 1953.
He returned the award saying that he only wanted "to return a historical token of an institution that entails the great honour for any athlete who can be awarded by Sports Press".