Wilczyński (Polish pronunciation: [vilˈt͡ʂɨɲski]; feminine: Wilczyńska; plural: Wilczyńscy) is a surname of Polish-language origin.
It derives either directly from Wilk (meaning "wolf") or from toponyms with this stem (Wilczyn, Wilczyna, Wilczyno).
[1] About 17,000 people use the surname in Poland, with the greatest number found in Ostrów Mazowiecka, Dębica, and Kielce.
Notable people include: