List of Famous people named Casimir

Casimir II the Just was a Lesser Polish Duke of Wiślica from 1166–1173, and of Sandomierz after 1173. He became ruler over the Polish Seniorate Province at Kraków and thereby High Duke of Poland in 1177; a position he held until his death, though interrupted once by his elder brother and predecessor Mieszko III the Old. In 1186 Casimir also inherited the Duchy of Masovia from his nephew Leszek, becoming the progenitor of the Masovian branch of the royal Piast dynasty, and great-grandfather of the later Polish king Władysław I the Elbow-high. The honorific title "the Just" was not contemporary and first appeared in the 16th century.

Casimir I of Kuyavia was a Polish prince and a member of the House of Piast. He was Duke of Kujawy since 1233, ruler over Ląd from 1239-1261, ruler over Wyszogród since 1242, Duke of Sieradz from 1247-1261, Duke of Łęczyca since 1247, and Duke of Dobrzyń since 1248.

Casimir I of Cieszyn, was Duke of Cieszyn from 1315, Duke of Siewierz from 1337 and Duke of Bytom from 1357.

Casimir I the Restorer, a member of the Piast dynasty, was the duke of Poland from 1040 until his death. Casimir was the son of Mieszko II Lambert and Richeza of Lotharingia. He is known as the Restorer because he managed to reunite all parts of the Kingdom of Poland after a period of turmoil. He reinstated Masovia, Silesia and Pomerania into his realm. However, he failed to crown himself King of Poland, mainly because of internal and external threats to his rule.

Jean-François Casimir Delavigne was a French poet and dramatist.

Casimir II of Belz, was a Polish prince member of the House of Piast from the Masovian branch. He was a Duke of Płock, Rawa Mazowiecka, Gostynin, Sochaczew, Belz, Płońsk, Zawkrze and Wizna during 1426–1434 jointly with his brothers, and after the division of the paternal inheritance between him and his brothers in 1434, sole ruler over Belz.

Casimir of Bytom was a Duke of Opole during 1282–1284 and Duke of Bytom from 1284 until his death.

Casimir VI was a member of the House of Pomerania who ruled as Lutheran Administrator of the Prince-Bishopric of Cammin.

Casimir William of Hesse-Homburg was a prince of Hesse-Homburg.