Last name Claer (Klar 
, Claer 
, Kloer 
) , in the world, is quite a common family name. The last name Claer is habitual in Germany, where it is quite a rare surname, Slovenia, and Austria. In absolute terms, the name is most common in Germany, the United States, and Poland. Much less frequently, Claer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klar | Austria, Germany, Czechia, Poland, United States |
| Claer | Germany, Canada, France, Brazil, United States |
| Kloer | Germany, Canada, United Kingdom, United States, Indonesia |
| franz bernhard wilhelm de claer (b. 1785) |
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eberhard von claer German officer, DE (b. 1856) |
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| otto von claer Prussian military officer, DE (b. 1827) |
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| carl-gideon von claer German journalist (1912-1996), DE (b. 1912) |
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| eberhard von claer German politician (1923-2013), DE (b. 1923) |
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| hans henning claer German writer and actor, DE (b. 1931) |
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| josé claer Canadian poet and writer, CA (b. 1963) |
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| neeltje dirxdr. claer - Aft 1675 |
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| thomas claer (b. 1971) |
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| babethe de claer |
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