Vasiliauskas is the masculine form of a Lithuanian family name. {Polish counterpart: Wasilewski, Russian: Vasilevsky. Its feminine forms are: Vasiliauskienė (married woman or widow) and Vasiliauskaitė (unmarried woman).
The surname may refer to:
Kazimieras Vasiliauskas (1922–2001), monsignor Kazim Vasiliauskas, Lithuanian racing driver Povilas Vasiliauskas, politician Justinas Vasiliauskas, rugby player, Lithuanian national team Augustinas Vasiliauskas, musician, Recipient of the Lithuanian National Prize Nida Vasiliauskaitė, Lithuanian philosopher and publicist Šarūnas Vasiliauskas, Lithuanian basketball player