Stasiak is a Polish surname of patronymic origin. It is derived from the personal name "Stasio", a pet form of the name "Stanisław", and the suffix "-ak", denoting "descendant of".[citation needed] So, the surname Stasiak signifies "son or descendant of Stasio (Stanisław)".

Stasiak
Origin
Word/namePoland
MeaningDerived from the personal name "Stasio"

Notable people with this surname include: