In all the world, Karl-Egon (Karl-Egon 
) is a rare masculine forename. The forename Karl-Egon is habitual in Western Europe, particularly Germany, where it is a rare male name. Parts of the name also exists independently as a first name Karl, and a first name Egon.
| VARIANT | COUNTRY |
|---|---|
| Karl-Egon | Canada, Germany |
| karl-egon prinz zu hohenlohe-waldenburg-schillingsfürst (1882–1971) (b. 1882) |
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| karl-egon lönne German historian of modern age, DE (b. 1933) |
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| karl-egon prinz zu fürstenberg (born 1953) (b. 1953) |
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