The Statutes of Casimir the Great or Piotrków-Wiślica Statutes (Polish: Statuty wiślicko-piotrkowskie) are a collection of laws issued by Casimir III the Great, the king of Poland, in the years 1346-1362 during congresses in Piotrków and Wiślica. It was the first and the only significant codification of laws during the times of the Piast dynasty.