List of Famous people named Casimir

Casimir II of Cieszyn was a Duke of Cieszyn since 1477, ruler over Koźle during 1479–1509, since 1493 ruler over Wołów, over Pszczyna during 1498–1517, from 1506 over Opava, Duke of Głogów since 1506. Also he was Landeshauptmann General of Silesia during 1497–1504 and 1507–1517, since 1517 until his death, Landeshauptmann over the Upper Silesia.

Casimir III of Płock, was a Polish prince and member of the Masovian branch of the House of Piast. He was a Duke of Warsaw, Nur, Łomża, Liw, Ciechanów, Wyszogród and Zakroczym during the period 1454-1471 jointly with his brothers, Duke of Płock, Płońsk, Zawkrze and Wizna from 1462 to 1471, and after the division of the paternal domains in 1471, sole ruler over Płock, Wizna, Wyszogród, Płońsk and Zawkrze until his abdication in 1480, and Bishop of Płock during 1471-1480.

Major-General Sir Casimir Cartwright van Straubenzee was a Canadian officer in the British Army ; GOC Singapore and Malaya Command. In 1900, he played cricket for Canada.

Casimir I of Warsaw, was a Polish prince member of the House of Piast, Duke of Czersk during 1341-1349 jointly with his brother, since 1345 ruler over Rawa Mazowiecka jointly with his brother, since 1349 sole ruler over Warsaw, since 1351 sole ruler over Sochaczew, Polish vassal since 1351.

Casimir Dunin Markievicz, known as Count Markievicz, was a Polish playwright, theatre director, and painter, and the husband of the Irish revolutionary Constance Markievicz.

Casimir II of Zator, was a Duke of Zator during 1468–1474, and ruler over half of Zator from 1474 until his death.

Casimir I of Oświęcim was a Duke of Oświęcim since 1406, ruler over Toszek and Strzelin.

Casimir or Kasimir III (IV), oldest son of Barnim III, was one of the Dukes of Pomerania-Stettin (Szczecin). He died during a campaign against the Margraviate of Brandenburg during the siege of Königsberg (Neumark) in 1372.

Casimir I was duke of Pomerania since his uncle Ratibor I's death in 1155/56. A son of Wartislaw I, he co-ruled Pomerania with his older brother Bogislaw I, receiving Pomerania-Demmin as his share just as Bogislaw received Pomerania-Stettin, and ruling the remainder in common.