1) Ukrainian surname 
Polishchuk (Поліщук, Poliščuk (Polishchuk); Паляшук, Paliašuk; Полещук, Poleshchuk; Poleszuk) or Poleshuks is the name given to the people who populated the swamps of Polesia (Polesie). The Polishchuk dialect is close to the Ukrainian, Belarusian and Polish languages; it maintains many local peculiarities of other languages...