Globally, Каролюс (Carolus 
, Каролюс 
) is quite a rare boy's first name. The given name Каролюс is characteristic of Belgium, where it is quite a rare masculine name, Indonesia, where it is a rare primarily male, but scarcely girly name, and Sweden, where it is a rare male name. Measured by absolute frequency, it is the most numerous in Indonesia, South Africa, and Belgium. Likewise, Каролюс is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Carolus | Indonesia, Belgium, South Africa, United States, France |
| Каролюс | Ukraine |
Carel, Carl, Carles, Carlo, Carlos, Charel, Charles, Charlez, Karel, Karl, Karlo, Karol, Karolis, Karolius, Károly, Siarl, Карай, Карал, Караль, Карел, Карл, Карла, Карлас, Карлес, Карло, Карлос, Карлуш, Карой, Карол, Каролис, Кароль, Чарлз, Чарлс, Чарльз, Чарльз, Шарль, Шарл, Шарль, צ'ארלס, קארוי, קארל, קרל, קרלו, קרלוס, קרלס, שארל, تشارلز, شارل, كارل, كارلس, كارلو,
Каролюс is also a name for the fictitious and mythical characters: .