Wiśniewski (Polish pronunciation: [viɕˈɲɛfskʲi]; feminine: Wiśniewska, plural Wiśniewscy) is the third most common surname in Poland (111,174 people in 2009). It is a toponymic surname derived from any of the locations named Wiśniewa, Wiśniewo, Wiśniowa, Wiśniew. It is related to the following surnames in other languages: History. House of Wiśniowiecki, a Polish princely family of Ruthenian-Lithuanian origin. People. Wisniewski. Andreas Wisniewski (born 1959), German actor and dancer. Connie Wisniewski (1922–1995), American baseball pitcher.
https://en.wikipedia.org/wiki/Wi%C5%9Bniewski