Petrauskas is a Lithuanian surname. Notable people with the surname include:

Petrauskas
Lithuanian surname
m.:Petrauskas
f.: (unmarried)Petrauskaitė
f.: (married)Petrauskienė
OriginLithuanized Slavic surname with the meaning "son of Peter"
Related namesPolish: Piotrowski, Russian: Petrovsky, English: Peterson, Danish: Petersen, Anglicised Polish form: Petrowski