James Casimir

The name James Casimir (Jacques Casimir) usually refers to several monarchs and princes of the Orléans dynasty:
 * James Casimir I, King of the Polish, the Conqueror (1752–1806)
 * James Casimir II, King of the Polish (1821–1871)
 * James Casimir III, King of the Polish (1865–1944)