Janušauskas is a Lithuanian surname, a Lithuanization of the Polish surname Januszewski. Notable people with the surname include:

Stasys Janušauskas (1902–1996), Lithuanian footballer Severija Janušauskaitė (born 1981), Lithuanian stage and film actress Leokadija Počikovska-Janušauskienė (born 1955), Lithuanian politician of Polish nationality and a public activist

See also