Casimir of Poland

Casimir of Poland may refer to:
 * Any ruler of Poland named Casimir:
 * Duke Casimir I the Restorer (1016–58)
 * High Duke Casimir II the Just (1138–94)
 * King Casimir III the Great (1310–70)
 * King Casimir IV Jagiellon (1427–92)
 * Saint Casimir (1458–84), Polish–Lithuanian prince