wartislaw v. (c. 1 november 1326 – 1390) was a duke of pomerania from the house of griffins. he initially ruled pomerania-wolgast jointly with his elder brothers barnim iv and bogislaw v. he stood in their shadow and after 1368, he ruled his own part of the duchy: the "land of neustettin". neustettin is now called szczecinek.