Carolus may refer to: People. Carolus (name) the medieval Latin form of the name Charles. Charlemagne (742–814) King Charles XII of Sweden, who is sometimes referred to as "Carolus Rex" Scientific. Carolus (plant), a genus of flowering plants in the family Malpighiaceae. Carolus (planthopper), a genus of insects in the family Cixiidae. 16951 Carolus Quartus, an asteroid named after Charles IV, Holy Roman Emperor. Miscellaneous. Carolus (coin), several coins. Carolus, several ships; see List of Swedish ships of the line. See also. Carl (name) Charles.
https://en.wikipedia.org/wiki/Carolus