Casimir is classically an English, French and Latin form of the Polish name Kazimierz. Feminine forms are Casimira and Kazimiera. It means "proclaimer (from kazać to preach) of peace (mir)."
List of variations
Belarusian: Казімір
Catalan: Casimir
Croatian: Kazimir, Kažimir
Czech: Kazimír
Esperanto: Kazimiro
English: Casimir
Galician: Casemiro, Casamiro
German: Kasimir
Hungarian: Kázmér
Italian: Casimiro
Kazakh: Qasym or Kasym
Latvian: Kazimirs
Lithuanian: Kazimieras
Polish: Kazimierz
Portuguese: Casimiro
Romanian: Cazimir
Russian: Казимир
Serbian: Казимир/Kazimir
Slovak: Kazimír
Slovene: Kazimir
Spanish: Casimiro
Swedish: Casimir
Ukrainian: Казимир
Vietnamese: Casimirô, Caximia
Royalty
Casimir I of Poland, Polish name Kazimierz Odnowiciel (the Restorer) (1015–1058) Casimir II of Poland, Polish name Kazimierz Sprawiedliwy (the Just) (1138–1194) Casimir III of Poland, Polish name Kazimierz Wielki (the Great) (1310–1370) Casimir IV Jagiellon, Polish name Kazimierz Jagielończyk, Lithuanian name Kazimieras I Jogailaitis (1427–1492) Casimir I, Duke of Pomerania-Demmin (after 1130–1180) Casimir II, Duke of Pomerania-Demmin (c. 1180–1219) Casimir III, Duke of Pomerania-Stettin (1348–1372) Casimir IV, Duke of Pomerania-Stolp (1351–1377) Saint Casimir (1458–1484), patron saint of Lithuania and Poland Casimir I of Opole (1178/79–1230), Polish duke Casimir, Margrave of Brandenburg-Bayreuth between 1515 and 1527 John Casimir of the Palatinate-Simmern (1543–1592), Count Palatine of Simmern and regent of the Electorate of the Palatinate from 1583 to 1592 Friedrich Casimir, Count of Hanau-Lichtenberg (1623–1685) Charles Edward Louis John Casimir Sylvester Severino Maria Stuart ("Bonnie Prince Charlie"), Jacobite pretender to the thrones of England, Scotland, France and Ireland
People with name Casimir, Kazimir, etc. Casimir, Comte de Montrond (1768–1843) Casimiro de Abreu, Brazilian poet and novelist, adept of the "Ultra-Romanticism" movement Kázmér Batthyány, Hungarian politician who served as Minister of Foreign Affairs during the Hungarian Revolution of 1848 Kasimir Bileski, Canadian philatelist and stamp-dealer based in Winnipeg, Manitoba, Canada Casimir Bizimungu, Rwandan politician Count Kasimir Felix Badeni, Minister-President of the Austrian half of the Austro-Hungarian Empire from 1895 until 1897 Casimir Delavigne, French poet and dramatist Casimiro Díaz, Spanish friar of the Augustinian order (vows in 1710), who accompanied the first Spanish expedition to the Cordillera Casimir Dudevant, French nobleman Casimir Ehrnrooth, Finnish magnate, former chairman of Nokia Corporation Casimir Funk (Kazimierz Funk), Polish biochemist, generally credited with the first formulation of the concept of vitamins in 1912, which he called vital amines or vitamines Casimiro Gennari, Italian Cardinal Kasimir Graff, German astronomer Jean Casimir Félix Guyon, French surgeon and urologist born on Ile-Bourbon (Réunion) Kazimír Gajdoš, Slovak footballer Casimir Gzowski (1813–1898), engineer and acting Lieutenant Governor of Ontario Casimir Lefaucheux, French gunsmith Casimir Lewy, Polish-born British philosopher Casimir Liberski, Belgian jazz-musician who plays piano and electric keyboard Casimir Loxsom, American middle-distance runner who specialises in the 800 metres Kazimir Malevich, Russian artist, pioneer of geometric abstract art and the originator of the Avant-garde Suprematist movement Casimir Ney, French composer and one of the foremost violists of the 19th century Casimir Oyé-Mba, Gabonese politician Casimir Pierre Perier, French statesman, president of the council during the July Monarchy Casimir Pilenas, private investigator and British intelligence agent Casimir Pulaski, Polish soldier, member of the Polish nobility and politician who has been called "the father of American cavalry" Casimir Reuterskiöld, Swedish sport-shooter who competed in the 1920 Summer Olympics Kazimir Sas, Australian film and television actor, known for his work on children's television series Casimir Stapko (1913–2006), American portrait painter Kazimir Strzepek, cartoonist living in Seattle, Washington Casimir Zagourski (Polish: Kazimierz Zagórski), pioneering photographer of Central African peoples and customs Casimir Zeglen, Polish pastor and inventor of a bullet-resistant cloth Casemiro, Brazilian footballer