Welcome to Sliwinski surname project page. This project page is for all male Sliwinski's that have their Y-DNA tested to compare their results to other Sliwinski's found all over the world including but not limited to Poland, Germany, Denmark, France, United States of America, Argentina and Australia. As of the 2002 census there are approximately 9,000 Sliwinski's in Poland.

Sliwinski is a Polish surname which means from the place of plum orchards.