| Meaning | destroyer of peace, proclaimer of peace |
| Origin | Slavic |
| Gender | Boy |
| Popularity | Moderate |
| Length | 7 |
| Syllables | 3 |
| Syllabification | Ca-si-mir |
Distinguished and aristocratic, this name carries centuries of history while feeling perfectly suited to contemporary life. Casimir possesses an undeniable elegance that suggests refinement, intelligence, and cultural sophistication. The name's substantial four-syllable structure gives it a dignified, complete quality—this is a name that fills space with presence and authority. Its relative rarity in English-speaking countries ensures distinctiveness while its historical usage across European cultures provides legitimacy and depth. Parents who choose Casimir often value intellectual pursuits, artistic sensibilities, and classical education. The name offers rich nickname potential while maintaining formality when circumstances require it. Its complex phonetic structure creates an interesting auditory experience, engaging and memorable without being difficult. Casimir suits a child who might grow to appreciate literature, music, philosophy, or any pursuit requiring depth of thought. This is a name for families who see naming as an opportunity to connect their child with broader cultural traditions and timeless values of learning and refinement.
| Cas |
| Cash |
| Mir |
| Caz |
| Casimir III the Great | King of Poland |
| Casimir Pulaski | Polish military officer in the American Revolutionary War |
| Casimir Perier | French statesman |
| Casimir Delavigne | French poet and dramatist |
| Casimir Lefaucheux | French firearms inventor |
| Casimir Oberfeld | Canadian composer |
| Casimir Gide | French scholar and professor |
| Casimir Oyé-Mba | Gabonese politician |
| Casimir Joseph Davaine | French physician |
| Casimir Werenski | American ice hockey player |
| Casimir Zeglen | Polish-American inventor of the bulletproof vest |
| Casimir Siemienowicz | Polish-Lithuanian artillery officer and engineer |
| Casimir the Great | Duke of Pomerania |
| Casimir Stryjenski | Polish painter and poet |
| Casimir De Rham | Swiss mathematician |
| Casimir A. Gzowski | Polish-Canadian civil engineer |
| Casimir Funk | Polish-American biochemist |
| Casimir Ehrnrooth | Finnish businessman |
| Casimir Pulaski | Character in the video game "Assassin's Creed III" |
| Casimir Radon | Character in the novel "The Natural" by Bernard Malamud |
| Casimir Chardonnay | Character in the play "Legally Blonde - The Musical" |
| Casimir Orka | Character in the video game "World of Warcraft" |
| Casimir Darian | Character in the novel "Throne of Glass" by Sarah J. Maas |
| Casimir Kozlov | Character in the video game "Deus Ex" |
| Casimir Radu | Character in the book "The Star-Touched Queen" by Roshani Chokshi |
| Casimir Jones | Character in the book "Queen of Snow" by Laura Byron and Jessie Cal |
| Casimir Ormuzd | Character in the book "Altered Carbon" by Richard K. Morgan |