Astrauskas is a Lithuanian language family name. It corresponds to Polish Ostrowski, Russian Ostrovsky, and Belarusian Astrouski.

The surname may refer to: Nerijus Astrauskas (born 1980), Lithuanian football striker Rimantas Astrauskas (born 1955), Lithuanian physicist, ecologist and politician Vytautas Astrauskas (30 September 1930 – 7 August 2017) was a communist politician in the Lithuanian SSR Vytautas Astrauskas (physician) (23 March 1927 – 26 August 2004) was a Lithuanian physician, medical researcher, politician and former member of the Seimas.

See also