Sypniewski (feminine Sypniewska) is a Polish surname centered on the Oder region where families bearing this surname are still found today. Sypniewskis can also be found all over the world, particularly in the United States, Brazil, and Germany. "Sypniewski" roughly translates as "one who originates from Sypniewo' – (that is from Sypien's settlement). There are several manorial estates which bear the name of Sypniewo or a similar spelling as in the German "Zippnow".